|
Planetary Satellite Mean Orbital Parameters
Select from satellites of Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
| WARNING: |
These mean orbital parameters are not intended for ephemeris computation.
Accurate ephemerides should be obtained from our
HORIZONS system.
Mean orbital parameters are primarily useful in describing the general shape and
orientation of a planetary satellite's orbit. |
| Satellites of Mars |
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Mean orbital elements referred to the local Laplace planes
Epoch 1950 Jan. 1.00 TT
Solution:
MAR080
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
R.A. |
Dec. |
Tilt |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
(deg) |
(deg) |
(deg) |
|
|---|
| Phobos | 9376. | 0.0151 |
150.057 | 91.059 | 1.075 | 207.784 |
1128.8447569 | 0.3189 | 1.1316 | 2.2617 |
317.671 | 52.893 | 0.009 |
5 |
| Deimos | 23458. | 0.0002 |
260.729 | 325.329 | 1.788 | 24.525 |
285.1618790 | 1.2624 | 27.3703 | 54.5367 |
316.657 | 53.529 | 0.889 |
5 |
|
| Satellites of Jupiter |
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Mean orbital elements referred to the local Laplace planes
Epoch 1997 Jan. 16.00 TT
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
R.A. |
Dec. |
Tilt |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
(deg) |
(deg) |
(deg) |
|
|---|
| Io | 421800. | 0.0041 |
84.129 | 342.021 | 0.036 | 43.977 | 203.4889583 |
1.769 | 1.625 | 7.420 | 268.057 | 64.495 |
0.000 |
11 |
| Europa | 671100. | 0.0094 |
88.970 | 171.016 | 0.466 | 219.106 |
101.3747242 | 3.551 | 1.394 | 30.184 | 268.084 |
64.506 | 0.016 |
11 |
| Ganymede | 1070400. | 0.0013 |
192.417 | 317.540 | 0.177 | 63.552 | 50.3176072 |
7.155 | 63.549 | 132.654 | 268.168 | 64.543 |
0.068 |
11 |
| Callisto | 1882700. | 0.0074 |
52.643 | 181.408 | 0.192 | 298.848 | 21.5710728 |
16.69 | 205.75 | 338.82 | 268.639 | 64.749 |
0.356 |
11 |
| Amalthea | 181400. | 0.0032 |
155.873 | 185.194 | 0.380 | 108.946 |
722.6317143 | 0.498 | 0.196 | 0.393 | 268.057 |
64.495 | 0.000 |
11 |
| Thebe | 221900. | 0.0176 |
234.269 | 135.956 | 1.080 | 235.694 |
533.7002568 | 0.675 | 0.398 | 0.797 | 268.057 |
64.495 | 0.000 |
11 |
| Adrastea | 129000. | 0.0018 |
328.047 | 135.673 | 0.054 | 228.378 |
1206.9988064 | 0.298 | 0.058 | 0.116 | 268.057 |
64.496 | 0.000 |
11 |
| Metis | 128000. | 0.0012 |
297.177 | 276.047 | 0.019 | 146.912 |
1221.2545982 | 0.295 | 0.057 | 0.115 | 268.057 |
64.496 | 0.000 |
11 |
Mean orbital elements referred to the local Laplace planes
Epoch 2000 Jan. 1.00 TT
Solution:
Mean elements - JUP172/JUP173
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
R.A. |
Dec. |
Tilt |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
(deg) |
(deg) |
(deg) |
|
|---|
| Himalia | 11461000. | 0.1623 |
331.995 | 68.721 | 27.496 | 57.245 | 1.4367718 |
250.56 | 137.16 | 282.90 | 275.667 | 67.429 |
4.269 |
3 |
| Elara | 11741000. | 0.2174 |
143.591 | 332.962 | 26.627 | 109.373 |
1.3865491 | 259.64 | 126.42 | 252.49 | 273.200 |
68.246 | 4.282 |
3 |
| Pasiphae | 23624000. | 0.4090 |
170.450 | 280.193 | 151.431 | 312.990 |
0.4841107 | 743.63 | 80.83 | 81.01 | 273.440 |
67.645 | 3.835 |
3 |
| Sinope | 23939000. | 0.2495 |
346.394 | 168.397 | 158.109 | 303.081 |
0.4743709 | 758.90 | 89.27 | 87.54 | 273.266 |
66.880 | 3.211 |
3 |
| Lysithea | 11717000. | 0.1124 |
49.486 | 329.121 | 28.302 | 5.528 | 1.3888799 |
259.20 | 131.52 | 299.88 | 271.356 | 67.115 |
2.953 |
3 |
| Carme | 23404000. | 0.2533 |
28.199 | 234.027 | 164.907 | 113.738 |
0.4903509 | 734.17 | 81.06 | 88.53 | 272.620 |
66.689 | 2.897 |
3 |
| Ananke | 21276000. | 0.2435 |
100.619 | 248.793 | 148.889 | 7.615 | 0.5716368 |
629.77 | 140.85 | 108.96 | 279.087 | 66.152 |
4.891 |
3 |
| Leda | 11165000. | 0.1636 |
272.349 | 228.076 | 27.457 | 217.137 |
1.4942498 | 240.92 | 142.57 | 296.66 | 271.668 |
66.848 | 2.788 |
3 |
Ecliptic mean orbital elements
Epoch 2002 May. 6.00 TT
Solution:
JUP261,JUP268,JUP269
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
|
|---|
| Callirrhoe | 24102000. | 0.2829 |
30.401 | 152.816 | 147.155 | 291.872 |
0.4744545 | 758.77 | 119.98 | 89.00 |
42 |
| Themisto | 7507000. | 0.2424 |
219.285 | 162.282 | 43.068 | 191.413 |
2.7688073 | 130.02 | 682.89 | 532.86 |
42 |
| Magaclite | 23808000. | 0.4211 |
287.590 | 189.256 | 152.845 | 286.556 |
0.4781741 | 752.86 | 76.23 | 78.97 |
42 |
| Taygete | 23363000. | 0.2518 |
239.948 | 154.116 | 165.241 | 312.916 |
0.4915296 | 732.41 | 80.91 | 88.46 |
42 |
| Chaldene | 23179000. | 0.2514 |
255.976 | 330.614 | 165.171 | 145.101 |
0.4974307 | 723.72 | 81.77 | 89.64 |
42 |
| Harpalyke | 21104000. | 0.2261 |
140.833 | 351.325 | 148.648 | 37.129 |
0.5775499 | 623.32 | 147.17 | 111.62 |
42 |
| Kalyke | 23564000. | 0.2464 |
232.768 | 311.512 | 165.181 | 56.116 |
0.4851387 | 742.06 | 80.94 | 87.84 |
42 |
| Iocaste | 21272000. | 0.2151 |
68.320 | 345.901 | 149.436 | 276.822 |
0.5699814 | 631.60 | 145.47 | 111.12 |
42 |
| Erinome | 23283000. | 0.2656 |
20.169 | 326.051 | 164.921 | 326.560 |
0.4941918 | 728.46 | 80.52 | 88.34 |
42 |
| Isonoe | 23231000. | 0.2465 |
125.072 | 186.803 | 165.252 | 138.553 |
0.4957083 | 726.23 | 81.69 | 89.40 |
42 |
| Praxidike | 21148000. | 0.2302 |
196.194 | 252.058 | 148.985 | 287.671 |
0.5756397 | 625.39 | 144.72 | 111.07 |
42 |
| Autonoe | 24033000. | 0.3166 |
62.045 | 189.372 | 152.284 | 281.030 |
0.4730593 | 761.00 | 92.56 | 85.14 |
22 |
| Thyone | 21192000. | 0.2377 |
102.491 | 12.610 | 148.819 | 241.001 |
0.5739920 | 627.19 | 148.75 | 110.16 |
22 |
| Hermippe | 21300000. | 0.2123 |
307.220 | 259.734 | 150.887 | 338.558 |
0.5679090 | 633.90 | 136.53 | 109.94 |
22 |
| Aitne | 23315000. | 0.2655 |
107.618 | 166.207 | 165.058 | 16.419 |
0.4930857 | 730.10 | 80.30 | 87.99 |
22 |
| Eurydome | 23148000. | 0.2758 |
231.855 | 359.454 | 150.206 | 312.918 |
0.5018521 | 717.34 | 111.16 | 93.08 |
22 |
| Euanthe | 21038000. | 0.2308 |
324.853 | 113.502 | 148.998 | 261.907 |
0.5802362 | 620.44 | 143.72 | 111.45 |
22 |
| Euporie | 19339000. | 0.1440 |
90.162 | 275.952 | 145.499 | 66.471 | 0.6537291 |
550.69 | 9892.85 | 140.57 |
22 |
| Orthosie | 21164000. | 0.2780 |
223.181 | 340.185 | 145.937 | 228.744 |
0.5782671 | 622.55 | 141.65 | 107.60 |
22 |
| Sponde | 23790000. | 0.3132 |
73.467 | 224.949 | 151.153 | 127.419 |
0.4810854 | 748.31 | 97.57 | 87.19 |
22 |
| Kale | 23302000. | 0.2521 |
54.040 | 274.112 | 165.072 | 68.851 | 0.4934581 |
729.55 | 81.37 | 89.02 |
22 |
| Pasithee | 23090000. | 0.2668 |
243.393 | 283.236 | 165.033 | 338.036 |
0.5003783 | 719.46 | 80.62 | 88.98 |
22 |
| Hegemone | 23566000. | 0.3439 |
211.543 | 291.025 | 153.977 | 330.405 |
0.4865844 | 739.85 | 85.26 | 84.84 |
43 |
| Mneme | 21036000. | 0.2271 |
47.381 | 33.617 | 148.630 | 20.386 | 0.5805862 |
620.06 | 147.53 | 112.14 |
43 |
| Aoede | 23969000. | 0.4324 |
73.579 | 241.676 | 158.253 | 185.230 |
0.4728055 | 761.41 | 69.19 | 76.94 |
43 |
| Thelxinoe | 21165000. | 0.2194 |
319.126 | 39.419 | 151.335 | 176.805 |
0.5731589 | 628.10 | 131.24 | 110.68 |
43 |
| Arche | 23355000. | 0.2555 |
182.844 | 100.181 | 164.937 | 349.250 |
0.4918684 | 731.90 | 81.07 | 88.55 |
43 |
| Kallichore | 23273000. | 0.2424 |
19.438 | 117.529 | 165.121 | 39.120 | 0.4943141 |
728.28 | 81.93 | 89.65 |
43 |
| Helike | 21064000. | 0.1467 |
308.006 | 175.441 | 154.621 | 97.744 |
0.5747871 | 626.32 | 129.08 | 114.99 |
43 |
| Carpo | 17078000. | 0.4436 |
90.238 | 300.325 | 51.157 | 43.526 | 0.7890326 |
456.25 | 14456.43 | 113.65 |
43 |
| Eukelade | 23322000. | 0.2670 |
319.562 | 264.872 | 165.246 | 202.851 |
0.4929317 | 730.32 | 80.12 | 87.98 |
43 |
| Cyllene | 23787000. | 0.4175 |
203.208 | 173.914 | 150.202 | 265.547 |
0.4787190 | 752.01 | 80.11 | 80.05 |
43 |
| Kore | 24486000. | 0.3315 |
146.442 | 68.764 | 145.043 | 322.282 |
0.4635594 | 776.60 | 108.31 | 84.45 |
43 |
Ecliptic mean orbital elements
Epoch 2002 May. 6.00 TT
Solution:
JUP270
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
|
|---|
| Herse | 23405000. | 0.2493 |
338.480 | 199.693 | 164.815 | 303.508 |
0.4900989 | 734.55 | 80.89 | 88.22 |
44 |
| S/2003J2 | 28332000. | 0.4114 |
173.340 | 231.301 | 157.106 | 355.955 |
0.3675978 | 979.33 | 60.35 | 63.03 |
44 |
| S/2003J3 | 20230000. | 0.2027 |
71.743 | 120.308 | 147.772 | 237.744 |
0.6165714 | 583.87 | 179.02 | 123.43 |
44 |
| S/2003J4 | 23928000. | 0.3558 |
204.631 | 311.008 | 149.316 | 188.149 |
0.4766827 | 755.22 | 89.98 | 82.80 |
44 |
| S/2003J5 | 23493000. | 0.2459 |
102.993 | 33.703 | 165.278 | 188.371 |
0.4873116 | 738.75 | 80.97 | 87.99 |
44 |
| S/2003J9 | 23385000. | 0.2641 |
304.838 | 48.407 | 165.155 | 55.092 | 0.4909224 |
733.31 | 80.28 | 87.90 |
44 |
| S/2003J10 | 23042000. | 0.4284 |
183.464 | 327.589 | 165.224 | 162.640 |
0.5025957 | 716.28 | 67.96 | 80.10 |
44 |
| S/2003J12 | 17835000. | 0.4884 |
21.770 | 308.800 | 150.827 | 73.120 | 0.7352070 |
489.66 | 97.96 | 108.82 |
44 |
| S/2003J15 | 22622000. | 0.1868 |
22.241 | 149.808 | 146.405 | 244.678 |
0.5219129 | 689.77 | 193.01 | 104.27 |
44 |
| S/2003J16 | 20948000. | 0.2309 |
66.633 | 77.926 | 148.631 | 24.081 | 0.5841036 |
616.33 | 151.57 | 112.81 |
44 |
| S/2003J18 | 20494000. | 0.1016 |
103.272 | 32.964 | 146.007 | 166.444 |
0.6018926 | 598.11 | 1542.46 | 131.01 |
44 |
| S/2003J19 | 23532000. | 0.2620 |
186.391 | 278.387 | 165.174 | 36.396 |
0.4862333 | 740.39 | 80.15 | 87.51 |
44 |
| S/2003J23 | 23549000. | 0.2702 |
261.641 | 207.495 | 146.267 | 51.018 |
0.4914881 | 732.47 | 131.30 | 92.26 |
44 |
|
| Satellites of Saturn |
jump to: Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto or [top of page] |
Mean orbital elements referred to the local Laplace planes
Epoch 2000 Jan. 1.50 TT
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
R.A. |
Dec. |
Tilt |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
(deg) |
(deg) |
(deg) |
|
|---|
| Mimas | 185539. | 0.0196 |
332.478 | 14.876 | 1.574 | 173.026 |
381.9944977 | 0.942 | 0.493 | 0.986 | 40.584 |
83.538 | 0.000 |
41 |
| Enceladus | 238037. | 0.0047 |
188.319 | 10.690 | 0.009 | 343.266 |
262.7318981 | 1.370 | 1.306 | 2.364 | 40.581 |
83.538 | 0.001 |
41 |
| Tethys | 294672. | 0.0001 |
44.843 | 243.727 | 1.091 | 259.845 |
190.6979113 | 1.888 | 2.490 | 4.982 | 40.572 |
83.539 | 0.002 |
41 |
| Dione | 377415. | 0.0022 |
284.111 | 322.242 | 0.028 | 290.615 |
131.5349308 | 2.737 | 5.852 | 11.709 | 40.539 |
83.542 | 0.007 |
41 |
| Rhea | 527068. | 0.0010 |
213.663 | 207.767 | 0.333 | 351.018 |
79.6900462 | 4.518 | 34.091 | 35.832 | 40.320 |
83.560 | 0.037 |
41 |
| Titan | 1221865. | 0.0288 |
179.920 | 163.308 | 0.312 | 28.758 | 22.5769756 |
15.95 | 356.43 | 722.06 | 36.128 | 83.956 |
0.641 |
41 |
| Hyperion | 1500934. | 0.0232 |
303.162 | 86.338 | 0.615 | 263.882 | 16.9199504 |
21.28 | 128.03 | 154.70 | 36.356 | 83.860 |
0.565 |
41 |
| Iapetus | 3560851. | 0.0293 |
271.599 | 201.810 | 8.313 | 81.189 | 4.5379420 |
79.33 | 1678.15 | 3445.31 | 284.638 | 78.750 |
15.215 |
41 |
| Phoebe | 12947913. | 0.1634 |
342.501 | 53.037 | 175.243 | 241.087 |
0.6541856 | 550.30 | 460.92 | 723.17 | 275.954 |
67.455 | 26.723 |
41 |
Mean orbital elements referred to the Saturn equator
Epoch 2004 Jan. 1.00 TT
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
|
|---|
| Janus | 151460. | 0.0068 |
241.778 | 242.754 | 0.163 | 46.899 |
518.2388834 | 0.695 | 0.241 | 0.482 |
47 |
| Epimetheus | 151410. | 0.0098 |
312.630 | 308.322 | 0.351 | 85.244 |
518.4828200 | 0.694 | 0.240 | 0.481 |
47 |
| Helene | 377420. | 0.0071 |
292.056 | 134.070 | 0.213 | 40.039 |
131.5349309 | 2.737 | 5.823 | 11.704 |
49 |
| Telesto | 294710. | 0.0002 |
341.795 | 200.143 | 1.180 | 300.256 |
190.6978386 | 1.888 | 2.488 | 4.982 |
49 |
| Calypso | 294710. | 0.0005 |
234.788 | 101.961 | 1.499 | 25.327 |
190.6978386 | 1.888 | 2.487 | 4.983 |
49 |
| Atlas | 137670. | 0.0012 |
331.521 | 157.738 | 0.003 | 0.500 | 598.3099854 |
0.602 | 0.172 | 0.344 |
47 |
| Prometheus | 139380. | 0.0022 |
164.389 | 242.224 | 0.008 | 259.504 |
587.2852370 | 0.613 | 0.179 | 0.359 |
47 |
| Pandora | 141720. | 0.0042 |
83.461 | 202.697 | 0.050 | 327.215 |
572.7885228 | 0.629 | 0.190 | 0.381 |
47 |
| Pan | 133580. | 0.0000 |
139.318 | 246.065 | 0.001 | 40.557 |
626.0317369 | 0.575 | 0.154 | 0.309 |
47 |
| Methone | 194440. | 0.0001 |
292.695 | 163.735 | 0.007 | 321.745 |
356.5860539 | 1.010 | 0.405 | 0.987 |
47 |
| Pallene | 212280. | 0.0040 |
216.475 | 125.909 | 0.181 | 114.430 |
312.0271303 | 1.154 | 0.790 | 1.582 |
47 |
| Polydeuces | 377200. | 0.0192 |
200.028 | 191.220 | 0.177 | 304.799 |
131.5347441 | 2.737 | 5.879 | 11.938 |
47 |
| Daphnis | 136500. | 0.0000 |
0.000 | 306.135 | 0.000 | 0.000 | 605.9791537 |
0.594 | 0.000 | 0.000 |
47 |
Mean ecliptic orbital elements
Epoch 2000 Jan. 1.00 TT
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
|
|---|
| Ymir | 23140400. | 0.3337 |
39.505 | 230.935 | 171.661 | 210.828 |
0.2736437 | 1315.58 | 251.21 | 333.46 |
49 |
| Paaliaq | 15024000. | 0.5402 |
235.510 | 306.407 | 41.770 | 354.940 |
0.5236065 | 687.54 | 536.79 | 301.39 |
49 |
| Tarvos | 18263200. | 0.5309 |
277.448 | 269.578 | 35.949 | 89.356 | 0.3888339 |
925.85 | 215.12 | 374.77 |
49 |
| Ijiraq | 11367400. | 0.4580 |
67.015 | 29.765 | 47.123 | 153.384 | 0.7973041 |
451.52 | 2447.79 | 691.28 |
49 |
| Suttungr | 19476700. | 0.1139 |
60.106 | 320.639 | 173.888 | 253.045 |
0.3540954 | 1016.68 | 405.79 | 637.28 |
49 |
| Kiviuq | 11311100. | 0.1642 |
92.805 | 168.858 | 48.525 | 351.991 | 0.8015510 |
449.13 | 1490.36 | 1280.50 |
49 |
| Mundilfari | 18667900. | 0.2051 |
301.221 | 94.443 | 169.206 | 78.072 | 0.3778238 |
952.83 | 267.44 | 367.52 |
49 |
| Albiorix | 16401100. | 0.4838 |
56.759 | 31.855 | 35.511 | 102.042 | 0.4594642 |
783.52 | 265.73 | 359.48 |
49 |
| Skathi | 15614300. | 0.2939 |
212.980 | 102.213 | 150.798 | 281.731 |
0.4944357 | 728.10 | 600.65 | 552.94 |
49 |
| Erriapus | 17611400. | 0.4676 |
287.615 | 304.526 | 38.649 | 134.674 |
0.4134136 | 870.80 | 238.75 | 478.66 |
49 |
| Siarnaq | 18015400. | 0.4052 |
69.203 | 189.646 | 44.507 | 60.917 | 0.4015878 |
896.44 | 639.41 | 326.57 |
49 |
| Thrymr | 20439600. | 0.4655 |
97.997 | 89.578 | 173.656 | 258.962 | 0.3290414 |
1094.09 | 333.91 | 548.93 |
49 |
| Narvi | 19417300. | 0.4261 |
180.865 | 104.658 | 143.242 | 175.404 |
0.3586589 | 1003.74 | 417.44 | 411.07 |
49 |
| Aegir | 20749800. | 0.2524 |
246.803 | 24.739 | 167.106 | 183.380 |
0.3220529 | 1117.83 | 264.42 | 336.09 |
50 |
| Bebhionn | 17117800. | 0.4840 |
0.182 | 167.318 | 34.563 | 197.913 | 0.4311761 |
834.93 | 236.35 | 328.87 |
50 |
| Bergelmir | 19338300. | 0.1417 |
138.963 | 305.094 | 158.919 | 206.334 |
0.3579317 | 1005.78 | 362.44 | 426.29 |
50 |
| Bestla | 20278000. | 0.4738 |
80.900 | 254.509 | 141.739 | 288.848 |
0.3310571 | 1087.43 | 299.11 | 307.33 |
50 |
| Farbauti | 20387000. | 0.2453 |
344.282 | 279.864 | 158.045 | 135.255 |
0.3311881 | 1087.00 | 304.06 | 352.87 |
50 |
| Fenrir | 22454800. | 0.1332 |
125.350 | 131.329 | 164.444 | 230.177 |
0.2856200 | 1260.42 | 285.73 | 346.84 |
50 |
| Fornjot | 25151200. | 0.2102 |
326.612 | 213.675 | 169.697 | 261.584 |
0.2409334 | 1494.19 | 246.19 | 299.41 |
50 |
| Hati | 19775000. | 0.3728 |
19.658 | 176.485 | 164.955 | 323.348 |
0.3464779 | 1039.03 | 281.18 | 370.48 |
50 |
| Hyrokkin | 18437300. | 0.3288 |
270.538 | 290.762 | 151.245 | 42.971 |
0.3863528 | 931.79 | 387.16 | 374.13 |
50 |
| Kari | 22077100. | 0.4842 |
163.182 | 284.935 | 155.902 | 279.822 |
0.2924907 | 1230.81 | 233.10 | 270.29 |
50 |
| Loge | 23065500. | 0.1881 |
28.991 | 337.509 | 167.162 | 340.213 |
0.2745130 | 1311.41 | 269.78 | 334.32 |
50 |
| Skoll | 17663300. | 0.4704 |
194.388 | 43.103 | 160.178 | 298.253 |
0.4098387 | 878.39 | 311.04 | 408.90 |
50 |
| Surtur | 22920400. | 0.4466 |
306.948 | 145.641 | 169.141 | 239.715 |
0.2776730 | 1296.49 | 213.91 | 278.39 |
50 |
| Jarnsaxa | 19356400. | 0.2171 |
232.068 | 199.471 | 163.322 | 18.065 |
0.3575032 | 1006.98 | 312.43 | 396.09 |
52 |
| Greip | 18442200. | 0.3160 |
137.940 | 313.455 | 173.343 | 335.478 |
0.3847720 | 935.62 | 352.49 | 536.48 |
52 |
| Tarqeq | 17909900. | 0.1186 |
61.169 | 132.060 | 49.572 | 92.748 | 0.4057231 |
887.30 | 2162.65 | 691.54 |
52 |
| S/2004_S7 | 21005800. | 0.5295 |
80.612 | 80.903 | 164.862 | 337.995 | 0.3157784 |
1140.04 | 231.75 | 309.32 |
53 |
| S/2004_S12 | 19867500. | 0.3228 |
86.627 | 9.612 | 163.309 | 307.487 | 0.3441218 |
1046.14 | 300.63 | 395.64 |
53 |
| S/2004_S13 | 18408700. | 0.2604 |
355.364 | 41.342 | 169.079 | 214.792 |
0.3856260 | 933.55 | 311.57 | 426.62 |
53 |
| S/2004_S17 | 19449900. | 0.1810 |
172.481 | 230.084 | 167.968 | 18.768 |
0.3548218 | 1014.59 | 305.99 | 406.58 |
53 |
| S/2006_S1 | 18797400. | 0.1183 |
155.908 | 91.988 | 154.990 | 335.103 |
0.3736641 | 963.43 | 402.48 | 490.20 |
53 |
| S/2006_S3 | 22100100. | 0.4042 |
187.263 | 158.916 | 158.904 | 211.265 |
0.2933719 | 1227.11 | 244.12 | 284.72 |
53 |
| S/2007_S2 | 16723300. | 0.1778 |
55.977 | 84.178 | 175.643 | 109.463 | 0.4454344 |
808.20 | 261.41 | 341.76 |
53 |
| S/2007_S3 | 18981900. | 0.1847 |
289.603 | 292.910 | 175.704 | 94.763 |
0.3681733 | 977.80 | 231.11 | 295.78 |
53 |
|
| Satellites of Uranus |
jump to: Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto or [top of page] |
Mean equatorial orbital elements
Epoch 1980 Jan. 1.0 TT
Solution:
GUST86 - Laskar and Jacobson (1987) A&A 188, pp. 212-224 (converted to ICRF)
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
|
|---|
| Ariel | 190900. | 0.0012 |
115.349 | 39.481 | 0.041 | 22.394 | 142.8356579 |
2.520 | 28.788 | 57.248 |
10 |
| Umbriel | 266000. | 0.0039 |
84.709 | 12.469 | 0.128 | 33.485 | 86.8688879 |
4.144 | 63.146 | 126.951 |
10 |
| Titania | 436300. | 0.0011 |
284.400 | 24.614 | 0.079 | 99.771 | 41.3514246 |
8.706 | 161.525 | 195.369 |
10 |
| Oberon | 583500. | 0.0014 |
104.400 | 283.088 | 0.068 | 279.771 |
26.7394888 | 13.46 | 161.52 | 195.37 |
10 |
| Miranda | 129900. | 0.0013 |
68.312 | 311.330 | 4.338 | 326.438 |
254.6906576 | 1.413 | 8.913 | 17.727 |
10 |
Mean equatorial orbital elements
Epoch 1986 Jan. 19.50 TT
Solution:
URA039 - Jacobson (1998) AJ 115, pp. 1195-1199
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
|
|---|
| Cordelia | 49800. | 0.0003 |
136.827 | 254.805 | 0.085 | 38.374 |
1074.5183162 | 0.335 | 0.328 | 0.657 |
9 |
| Ophelia | 53800. | 0.0099 |
17.761 | 116.259 | 0.104 | 164.048 |
956.4283330 | 0.376 | 0.431 | 0.862 |
9 |
| Bianca | 59200. | 0.0009 |
8.293 | 138.486 | 0.193 | 93.220 | 828.3879607 |
0.435 | 0.603 | 1.206 |
9 |
| Cressida | 61800. | 0.0004 |
44.236 | 233.795 | 0.006 | 99.403 | 776.5824144 |
0.464 | 0.701 | 1.402 |
9 |
| Desdemona | 62700. | 0.0001 |
183.285 | 184.627 | 0.113 | 306.089 |
760.0555393 | 0.474 | 0.737 | 1.474 |
9 |
| Juliet | 64400. | 0.0007 |
223.819 | 244.696 | 0.065 | 200.155 |
730.1261349 | 0.493 | 0.809 | 1.619 |
9 |
| Portia | 66100. | 0.0001 |
222.433 | 218.312 | 0.059 | 260.067 |
701.4864814 | 0.513 | 0.888 | 1.777 |
9 |
| Rosalind | 69900. | 0.0001 |
140.477 | 136.181 | 0.279 | 12.847 |
644.6304183 | 0.558 | 1.081 | 2.163 |
9 |
| Belinda | 75300. | 0.0001 |
42.406 | 357.224 | 0.031 | 279.337 |
577.3602885 | 0.624 | 1.397 | 2.796 |
9 |
| Puck | 86000. | 0.0001 |
177.094 | 245.796 | 0.319 | 268.734 |
472.5445878 | 0.762 | 2.224 | 4.448 |
9 |
Mean equatorial orbital elements
Epoch 2004 Aug. 25.50 TT
Solution:
Showalter (2006) Science, 311, 973
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
|
|---|
| Perdita | 76417. | 0.0116 |
253.925 | 192.405 | 0.470 | 309.376 |
564.2469590 | 0.638 | 1.479 | 2.958 |
51 |
| Mab | 97736. | 0.0025 |
249.565 | 273.769 | 0.134 | 350.737 |
390.0501070 | 0.923 | 3.502 | 7.004 |
51 |
| Cupid | 74392. | 0.0013 |
247.608 | 163.830 | 0.099 | 182.793 |
587.4436490 | 0.613 | 1.346 | 2.693 |
51 |
Mean orbital elements referred to the Ecliptic
Epoch 2000 Jan. 1.50 TT
Solution:
URA090
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
|
|---|
| Caliban | 7231100. | 0.1812 |
354.339 | 7.271 | 141.529 | 171.189 | 0.6209758 |
579.73 | 8936.31 | 6445.52 |
16 |
| Sycorax | 12179400. | 0.5219 |
20.103 | 266.583 | 159.420 | 263.034 |
0.2794217 | 1288.38 | 1393.43 | 1863.29 |
16 |
| Prospero | 16276800. | 0.4445 |
174.152 | 233.586 | 151.830 | 319.003 |
0.1819679 | 1978.37 | 1155.47 | 1370.39 |
16 |
| Setebos | 17420400. | 0.5908 |
359.953 | 179.449 | 158.235 | 250.235 |
0.1617921 | 2225.08 | 823.91 | 1044.20 |
16 |
| Stephano | 8007400. | 0.2248 |
14.956 | 270.163 | 143.819 | 191.411 |
0.5313866 | 677.47 | 5484.23 | 5182.20 |
16 |
| Trinculo | 8505200. | 0.2194 |
158.688 | 180.374 | 166.971 | 193.755 |
0.4803847 | 749.40 | 2592.77 | 4273.04 |
16 |
| Francisco | 4282900. | 0.1324 |
140.644 | 3.202 | 147.250 | 100.738 | 1.3478663 |
267.09 | 12574.36 | 14080.40 |
16 |
| Margaret | 14146700. | 0.6772 |
90.017 | 322.187 | 57.367 | 7.067 | 0.2167366 |
1661.00 | 12057739.22 | 987.08 |
16 |
| Ferdinand | 20430000. | 0.3993 |
156.298 | 26.163 | 169.793 | 217.350 |
0.1290311 | 2790.03 | 747.30 | 1001.70 |
16 |
|
| Satellites of Neptune |
jump to: Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto or [top of page] |
Mean orbital elements referred to the local Laplace planes
Epoch 2000 Jan. 1.50 TT
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
R.A. |
Dec. |
Tilt |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
(deg) |
(deg) |
(deg) |
|
|---|
| Triton | 354759. | 0.0000 |
66.142 | 352.257 | 156.865 | 177.608 |
61.2572638 | 5.877 | 386.371 | 687.446 |
299.456 | 43.414 | 0.010 |
54 |
| Nereid | 5513818. | 0.7507 |
281.117 | 216.692 | 7.090 | 335.570 | 0.9996276 |
360.13 | 8091.45 | 9455.73 | 269.302 | 69.117 |
30.011 |
54 |
Mean orbital elements referred to the local Laplace planes
Epoch 2000 Jan. 1.50 TDT
Solution:
Voyager, HST, and Astrometric data solution
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
R.A. |
Dec. |
Tilt |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
(deg) |
(deg) |
(deg) |
|
|---|
| Naiad | 48227. | 0.0003 |
2.045 | 30.035 | 4.691 | 42.279 | 1222.8435847 |
0.294 | 0.289 | 0.575 | 299.431 | 42.940 |
0.448 |
55 |
| Thalassa | 50074. | 0.0002 |
237.065 | 262.923 | 0.135 | 145.980 |
1155.7559749 | 0.311 | 0.327 | 0.654 | 299.431 |
42.939 | 0.449 |
55 |
| Despina | 52526. | 0.0002 |
176.857 | 230.812 | 0.068 | 77.060 |
1075.7330674 | 0.335 | 0.387 | 0.774 | 299.431 |
42.937 | 0.451 |
55 |
| Galatea | 61953. | 0.0001 |
343.011 | 65.999 | 0.034 | 37.247 | 839.6613030 |
0.429 | 0.690 | 1.380 | 299.430 | 42.925 |
0.462 |
55 |
| Larissa | 73548. | 0.0014 |
249.891 | 166.246 | 0.205 | 308.127 |
649.0540770 | 0.555 | 1.257 | 2.516 | 299.429 |
42.897 | 0.490 |
55 |
| Proteus | 117646. | 0.0005 |
67.968 | 250.938 | 0.075 | 315.131 |
320.7656245 | 1.122 | 6.380 | 12.727 | 299.406 |
42.432 | 0.974 |
54 |
Mean ecliptic orbital elements
Epoch 2003 Jun. 10.00 TT
Solution:
NEP078
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
|
|---|
| Halimede | 16611000. | 0.2646 |
157.509 | 109.896 | 112.712 | 217.477 |
0.1915829 | 1879.08 | 6741.38 | 18525.29 |
56 |
| Psamathe | 48096000. | 0.3809 |
149.685 | 200.132 | 126.312 | 317.172 |
0.0396725 | 9074.30 | 2774.29 | 2438.14 |
56 |
| Sao | 22228000. | 0.1365 |
62.621 | 170.128 | 53.483 | 61.428 | 0.1235960 |
2912.72 | 14955.67 | 7090.66 |
56 |
| Laomedeia | 23567000. | 0.3969 |
137.898 | 292.502 | 37.874 | 53.235 | 0.1135170 |
3171.33 | 2565.84 | 4059.13 |
56 |
| Neso | 49285000. | 0.5714 |
87.229 | 259.701 | 136.439 | 51.325 | 0.0369582 |
9740.73 | 1517.16 | 815.58 |
56 |
|
| Satellites of Pluto |
jump to: Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto or [top of page] |
Mean barycentric orbital elements referred to the mean Charon orbit
Mean orbit ICRF right ascension = 133.05142 deg, Mean orbit ICRF declination = -6.17674 deg
Epoch 2000 Jan. 1.50 TT
Solution:
PLU017
| Sat. |
a |
e |
w |
M |
i |
node |
n |
P |
Pw |
Pnode |
Ref. |
|---|
|
(km) |
|
(deg) |
(deg) |
(deg) |
(deg) |
(deg/day) |
(days) |
(yr) |
(yr) |
|
|---|
| Charon | 17536. | 0.0022 |
71.255 | 147.848 | 0.001 | 85.187 | 56.3624446 |
6.387 | 0.000 | 0.000 |
48 |
| Nix | 48708. | 0.0030 |
270.877 | 260.688 | 0.195 | 273.440 |
14.4839340 | 24.86 | 2.48 | 4.76 |
48 |
| Hydra | 64749. | 0.0051 |
149.649 | 336.760 | 0.212 | 102.469 | 9.4229078 |
38.20 | 7.01 | 14.21 |
48 |
|
Common Table Column Headings:
| | a | Semi-major Axis (mean value) |
|---|
| | e | Eccentricity (mean value) |
|---|
| | w | Argument of periapsis (mean value) |
|---|
| | M | Mean anomaly (mean value) |
|---|
| | i | Inclination with respect to the reference plane: ecliptic, ICRF, or local Laplace (mean value) |
|---|
| | node | Longitude of the ascending node (mean value) measured from the node of the reference plane on the ICRF equator |
|---|
| | n | Longitude rate (mean value) |
|---|
| | P | Sidereal period (mean value) |
|---|
| | Pw | Argument of periapsis precession period (mean value) |
|---|
| | Pnode | Longitude of the ascending node precession period (mean value) |
|---|
Headings only for elements with respect to the local Laplace plane:
| | R.A.
Dec. | Right ascension and ...
Declination of the Laplace plane pole with respect to the ICRF. |
|---|
| | Tilt | The angle between the planet equator and the Laplace plane. |
|---|
REFERENCES
1. Standish, E.M. (2001) ``Approximate Mean Ecliptic
Elements of the Lunar Orbit'', JPL IOM 312.F-01-004
2. Jacobson, R.A. (2003) ``Reconstruction of the Voyager
Saturn Encounter Orbits in the ICRF System'', Paper No. AAS 03-198,
13th AAS/AIAA Space Flight Mechanics Meeting, Ponce, Puerto Rico.
3. Jacobson, R.A. (2000) ``The orbits of the outer Jovian
satellites'', Astronomical Journal 120, 2679-2686.
Note: the mean motions and periods appearing in the reference are
incorrect for the retrograde satellites. The correct values appear here.
4. Jacobson, R.A., Riedel, J.E. and Taylor, A.H. (1991)
``The orbits of Triton and Nereid from spacecraft and Earthbased
observations'', Astronomy & Astrophysics 247, 565.
5. Jacobson, R.A. (2008) ``Ephemerides of the
Martian Satellites - MAR080'', JPL IOM 343R-08-006
6. Jacobson, R.A. (1996) ``Orbits of the Saturnian
Satellites from Earthbased and Voyager Observations'', Bull. American
Astronomical Society 28(3), 1185.
7. Jacobson, R.A. (1997) JUP120 - JPL satellite ephemeris.
8. Jacobson, R.A. (1998) ``The orbit of Phoebe from
Earthbased and Voyager observations'', Astronomy & Astrophysics Supp.
128, 7.
9. Jacobson, R.A. (1998) ``The orbits of the inner Uranian
satellites from Hubble Space Telescope and Voyager 2 observations'',
Astronomical Journal 115, 1195.
10. Laskar, J. and Jacobson, R.A. (1987) ``GUST86. An
analytical ephemeris of the Uranian satellites'', Astronomy &
Astrophysics 188, 212.
11. Jacobson, R.A. (2003) JUP230 - JPL satellite ephemeris.
12. Jacobson, R.A. (2007) SAT270, SAT271 - JPL
satellite ephemerides.
13. Tholen, D .J. and Buie, M. W. (1990) ``Further Analysis
of Pluto-Charon Mutual Event Observations'',Bull. American Astronomical
Society 22(3), 1129.
14. Owen, W.M., Vaughan, R.M, and Synnott, S.P. (1991)
``Orbits of the Six New Satellites of Neptune'', Astronomical Journal
101, 1511.
15. Showalter, M.R. (1991) ``Visual detection of 1981S13,
Saturn's eighteenth satellite, and its role in the Encke gap'',
Nature 351, 709.
16. Brozovic, M. and Jacobson, R. A. (2009)
``The Orbits of the Outer Uranian Satellites'', Astronomical Journal
137, 3834.
17. Jacobson, R.A. (2000) URA047 - JPL satellite ephemeris.
18. Jacobson, R.A. (2001a) JUP185 - JPL satellite ephemeris.
19. Jacobson, R.A. (2004) ``The orbits of the major
Saturnian satellites and the gravity field of Saturn from spacecraft and
Earthbased observations'',Astronomical Journal 128, 492.
20. Jacobson, R.A. (2001c) ``The Orbits of Jupiter and its
Galilean Satellites and the Gravity Field of the Jovian System'', Jupiter:
The Planet, Satellites, and Magnetosphere, Boulder, Colorado.
21. Jacobson, R.A. (2001d) ``The Gravity Field of the
Jovian System and the Orbits of the Regular Jovian Satellites'', 33rd
Annual Meeting of the Division for Planetary Sciences, New Orleans,
Louisiana.
22. Jacobson, R.A. (2009) JUP269 - JPL satellite ephemeris.
23. Lieske, J.H. (1998) ``Galilean satellite ephemerides
E5'', Astronomy & Astrophysics Supp. 129, 205.
24. Jacobson, R.A. (2003) URA066 - JPL satellite ephemeris.
25. Jacobson, R.A. (2002) JUP242 - JPL satellite ephemeris.
26. Jacobson, R.A. (2003) JUP219 - JPL satellite ephemeris.
27. Jacobson, R.A. (2003) NEP029 - JPL satellite ephemeris.
28. Jacobson, R.A. (2003) JUP222 - JPL satellite ephemeris.
29. Jacobson, R.A. (2003) JUP224 - JPL satellite ephemeris.
30. Jacobson, R.A. (2003) JUP226 - JPL satellite ephemeris.
31. Jacobson, R.A. (2003) JUP227 - JPL satellite ephemeris.
32. Jacobson, R.A. (2007) SAT270 - JPL satellite ephemeris.
33. Jacobson, R.A. (2006) JUP256 - JPL satellite ephemeris.
Fit to all observations from discovery to August 2006.
34. Jacobson, R.A. (2004) JUP251 - JPL satellite ephemeris.
35. Jacobson, R.A. (2004) JUP252 - JPL satellite ephemeris
36. Jacobson, R.A. (2003) NEP041 - JPL satellite ephemeris
37. Jacobson, R.A. (2003) URA067 - JPL satellite ephemeris
38. Jacobson, R.A. (2007) NEP057 - JPL satellite ephemeris
39. Jacobson, R.A. (2003) URA068 - JPL satellite ephemeris
40. Jacobson, R.A. (2003) URA072 - JPL satellite ephemeris
41. Jacobson, R.A. (2009) SAT317 - JPL satellite ephemeris.
42. Jacobson, R.A. (2006) JUP261 - JPL satellite ephemeris.
43. Jacobson, R.A. (2009) JUP268 - JPL satellite ephemeris.
44. Jacobson, R.A. (2009) JUP270 - JPL satellite ephemeris.
45. Jacobson, R. A. and Owen, Jr., W. M. (2004) ``The
orbits of the inner Neptunian satellites from Voyager, Earthbased, and
Hubble Space Telescope observations'',
Astronomical Journal 128, 1412.
46. Jacobson, R. A. and French, R. G. (2004) ``Orbits and
Masses of Saturn's Coorbital and F-ring Shepherding Satellites'',
Icarus 172, 382.
47. Spitale, J. N., Jacobson, R. A., Porco, C. C., and
Owen, Jr., W. M. (2006) ``The Orbits of Saturn's Small Satellites
Derived from Combined Historic and Cassini Imaging Observations'',
Astronomical Journal 132, 692.
48. Jacobson, R.A. (2007) PLU017 - JPL satellite ephemeris.
49. Jacobson, R.A. (2008) SAT295 - JPL satellite ephemeris.
50. Jacobson, R.A. (2008) SAT296 - JPL satellite ephemeris.
51. Showalter, M. R. and Lissauer, J. J. (2006) ``The
Second Ring-Moon System of Uranus: Discovery and Dynamics'',
Science 311, 973.
52. Jacobson, R.A. (2008) SAT297 - JPL satellite ephemeris.
53. Jacobson, R.A. (2008) SAT298 - JPL satellite ephemeris.
54. Jacobson, R. A. (2009) ``The Orbits of the Neptunian
Satellites and the Orientation of the Pole of Neptune'',
Astronomical Journal 137, 4322.
55. Jacobson, R.A. (2008) NEP077 - JPL satellite ephemeris.
56. Jacobson, R.A. (2008) NEP078 - JPL satellite ephemeris.
|
