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Planetary Satellite Mean Elements

Mean elements, in this context, are simply the elements of a precessing ellipse which has been fit in a least squares sense to the numerically integrated orbit. Please see the warning above.

Table column headings are described below.

Satellites of Earth

mean ecliptic orbital elements
Epoch: 2000-01-01.5 TDB
Ephemeris: DE405/LE405 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 Ref.
 
Moon 301 384400. 0.0554 318.15 135.27 5.16 125.08 27.322 5.997 18.600 n/a

Satellites of Mars

mean orbital elements referred to the local Laplace planes
Epoch: 2000-01-01.5 TDB
Ephemeris: MAR097 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 R.A.
(deg)		 Dec.
(deg)		 Tilt
(deg)		 Ref.
 
Phobos 401 9400. 0.015 216.3 189.6 1.1 169.2 0.319033 1.132 2.262 317.7 52.9 0.0 11
Deimos 402 23500. 0.000 0.0 205.0 1.8 54.4 1.262361 0.000 54.537 316.7 53.5 0.9 11

Satellites of Jupiter

mean orbital elements referred to the local Laplace planes
Epoch: 2000-01-01.5 TDB
Ephemeris: JUP365 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 R.A.
(deg)		 Dec.
(deg)		 Tilt
(deg)		 Ref.
 
Io 501 421800. 0.004 49.1 330.9 0.0 0.0 1.762732 1.333 0.000 268.1 64.5 0.0 26
Europa 502 671100. 0.009 45.0 345.4 0.5 184.0 3.525463 1.394 30.202 268.1 64.5 0.0 26
Ganymede 503 1070400. 0.001 198.3 324.8 0.2 58.5 7.155588 68.301 137.812 268.2 64.6 0.1 26
Callisto 504 1882700. 0.007 43.8 87.4 0.3 309.1 16.690440 277.921 577.264 268.7 64.8 0.4 26
Amalthea 505 181400. 0.003 180.1 310.6 0.4 282.9 0.499918 0.196 0.393 268.1 64.5 0.0 26
Thebe 514 221900. 0.018 26.6 182.1 1.1 340.4 0.676105 0.398 0.797 268.1 64.5 0.0 26
Adrastea 515 129000. 0.000 0.0 214.5 0.0 0.0 0.298260 0.000 0.000 268.1 64.5 0.0 26
Metis 516 128000. 0.000 0.0 166.0 0.0 0.0 0.294779 0.000 0.000 268.1 64.5 0.0 26

mean ecliptic orbital elements
Epoch: 2000-01-01.5 TDB
Ephemeris: JUP344 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 Ref.
 
Himalia 506 11440600. 0.160 328.4 66.5 28.1 68.2 250.562210 138.078 285.676 24
Elara 507 11712300. 0.211 140.1 330.7 27.9 118.1 259.639884 127.616 261.624 24
Pasiphae 508 23468200. 0.412 264.8 277.8 148.4 312.3 743.612321 81.126 80.786 24
Sinope 509 23683900. 0.264 96.6 167.5 157.3 304.6 758.849903 88.675 87.408 24
Lysithea 510 11700800. 0.117 47.4 331.5 27.2 7.1 259.198081 129.737 286.328 24
Carme 511 23144400. 0.256 155.0 234.0 164.6 117.5 734.185280 81.289 88.540 24
Ananke 512 21034500. 0.237 56.2 259.4 147.6 17.6 629.791691 142.376 110.506 24
Leda 513 11146400. 0.162 270.9 233.4 28.6 215.7 240.926609 146.033 310.776 24
Callirrhoe 517 23795500. 0.297 180.5 107.1 145.1 281.5 758.860222 119.762 89.001 24
Themisto 518 7398500. 0.340 236.2 284.7 43.8 209.5 130.028096 - 420.197 24
Magaclite 519 23644600. 0.421 85.1 138.1 149.8 280.3 752.861984 77.078 79.432 24
Taygete 520 23108000. 0.253 341.0 95.7 164.7 305.9 732.451194 81.237 88.733 24
Chaldene 521 22930500. 0.265 335.0 266.2 164.7 134.4 723.712689 81.657 89.543 24
Harpalyke 522 20892100. 0.232 71.3 219.3 147.7 30.2 623.316099 145.025 111.952 24
Kalyke 523 23302600. 0.260 130.3 256.0 164.8 45.3 742.015252 80.786 87.701 24
Iocaste 524 21066700. 0.227 244.7 215.5 148.8 268.9 631.593822 145.877 110.871 24
Erinome 525 23032900. 0.276 98.2 265.5 164.4 314.3 728.482799 80.374 88.108 24
Isonoe 526 22981300. 0.249 213.5 124.9 164.8 132.2 726.273223 82.135 89.957 24
Praxidike 527 20935400. 0.246 357.2 112.2 148.3 278.4 625.389698 146.445 110.385 24
Autonoe 528 23792500. 0.330 228.3 145.7 150.8 271.8 761.001946 92.519 85.278 24
Thyone 529 20978000. 0.233 343.5 244.4 147.5 235.0 627.175794 146.131 111.518 24
Hermippe 530 21108500. 0.219 356.6 134.7 150.2 331.0 633.904723 135.082 110.661 24
Aitne 531 23064400. 0.277 81.3 106.0 164.6 8.2 730.100120 80.391 88.413 24
Eurydome 532 22899000. 0.294 340.2 286.3 149.1 302.5 717.308142 111.830 93.152 24
Euanthe 533 20827000. 0.239 169.8 336.5 148.0 253.7 620.437937 142.520 111.810 24
Euporie 534 19265800. 0.148 329.8 72.2 145.7 58.4 550.686793 - 138.419 24
Orthosie 535 20901000. 0.299 140.1 200.7 144.3 219.1 622.585958 143.587 106.485 24
Sponde 536 23543300. 0.322 184.9 173.8 149.3 120.5 748.294484 98.176 87.481 24
Kale 537 23052600. 0.262 283.6 212.7 164.6 60.8 729.642670 81.337 88.943 24
Pasithee 538 22846700. 0.270 295.2 216.0 164.6 329.1 719.465077 81.009 89.472 24
Hegemone 539 23348700. 0.358 282.2 233.7 152.6 320.1 739.806820 85.714 84.710 24
Mneme 540 20821000. 0.247 18.5 253.7 148.0 11.6 620.068159 148.789 111.345 24
Aoede 541 23778200. 0.436 72.9 198.8 155.7 174.5 761.464554 69.343 76.914 24
Thelxinoe 542 20976000. 0.228 333.4 267.9 150.6 170.1 628.025732 131.527 110.790 24
Arche 543 23097800. 0.261 213.5 39.8 164.6 339.7 731.879533 81.361 88.615 24
Kallichore 544 23021800. 0.252 310.1 54.2 164.8 30.3 728.259347 82.013 89.444 24
Helike 545 20915700. 0.153 118.1 44.2 154.4 91.7 626.325893 128.151 115.019 24
Carpo 546 17042300. 0.416 86.6 339.8 53.2 54.0 456.286617 - 112.238 24
Eukelade 547 23067400. 0.277 283.7 203.6 164.6 192.2 730.301672 79.958 87.844 24
Cyllene 548 23654700. 0.419 47.8 121.3 146.8 252.6 751.974673 80.253 79.350 24
Kore 549 24205200. 0.328 229.3 31.8 141.5 314.6 776.763241 108.568 85.006 24
Herse 550 23150500. 0.262 101.2 141.2 164.4 292.7 734.522343 80.841 88.139 24
S2010_J1 551 23189800. 0.252 344.2 161.1 164.5 283.1 736.512347 81.202 88.194 24
S2010_J2 552 20793000. 0.248 15.1 306.3 148.1 3.0 618.841217 148.128 111.338 24
Dia 553 12260300. 0.232 176.8 309.6 29.0 292.3 278.212821 118.591 245.340 24
S2016_J1 554 20802600. 0.232 197.8 192.4 144.7 231.7 618.491978 172.452 112.960 24
S2003_J18 555 20336300. 0.090 304.4 66.1 145.3 164.3 598.121316 4.610 135.631 24
S2011_J2 556 22909200. 0.355 218.7 284.0 151.9 28.5 718.316562 87.848 87.140 24
Eirene 557 23055800. 0.258 94.8 329.7 164.6 179.5 729.847670 80.984 88.844 24
Philophrosyne 558 22604600. 0.229 271.6 69.5 146.3 233.1 702.535939 163.220 101.601 24
S2017_J1 559 23744800. 0.328 252.2 286.5 145.8 255.0 756.406342 108.088 86.595 24
Eupheme 560 20768600. 0.241 316.6 359.1 148.0 230.6 617.726175 150.073 112.595 24
S2003_J19 561 23156400. 0.265 123.4 218.4 164.7 26.9 734.778675 81.047 88.182 24
Valetudo 562 18694200. 0.217 344.2 57.6 34.5 291.5 527.606246 48.686 136.971 24
S2017_J2 563 22953200. 0.272 137.5 293.3 164.5 4.1 724.709424 81.295 89.100 24
S2017_J3 564 20941000. 0.231 92.9 193.3 147.9 23.4 625.601566 145.650 111.667 24
Pandia 565 11481000. 0.179 194.3 153.9 29.0 249.1 251.911064 140.848 291.110 24
S2017_J5 566 23206200. 0.257 211.7 66.9 164.8 44.1 737.284766 81.014 88.443 24
S2017_J6 567 23245300. 0.336 100.0 150.2 149.7 318.6 733.993348 94.238 87.113 24
S2017_J7 568 20964800. 0.233 119.4 359.1 147.3 258.1 626.562241 146.553 111.335 24
S2017_J8 569 22849500. 0.255 146.9 350.4 164.8 91.6 719.760404 82.331 90.463 24
S2017_J9 570 21768700. 0.200 130.7 261.5 155.5 240.1 666.110044 110.795 103.984 24
Ersa 571 11401000. 0.116 304.7 263.4 29.1 116.9 249.228928 144.088 306.234 24
S2011_J1 572 23124500. 0.271 251.8 248.4 164.6 248.4 733.206260 80.182 87.657 24
S2003_J2 55501 20997700. 0.225 200.4 35.2 150.2 350.8 628.789460 139.072 110.518 24
S2003_J4 55502 22926500. 0.328 194.4 242.8 148.2 176.8 718.095543 102.409 89.495 24
S2003_J9 55503 23199400. 0.263 199.6 354.6 164.8 47.6 736.861154 80.606 88.190 24
S2003_J10 55504 23576300. 0.264 227.5 286.9 164.4 154.5 755.429041 79.301 85.670 24
S2003_J12 55505 20963100. 0.235 277.9 201.3 150.0 58.7 627.243242 133.246 110.154 24
S2003_J16 55506 20882600. 0.243 24.6 307.4 148.0 16.1 622.876561 146.583 111.039 24
S2003_J23 55507 23829300. 0.313 163.2 168.5 144.7 45.0 760.000608 119.441 88.919 24
S2003_J24 55508 22887400. 0.259 24.2 131.8 164.5 207.2 721.603536 81.634 89.706 24

mean ecliptic orbital elements
Epoch: 2000-01-01.5 TDB
Ephemeris: JUP346 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 Ref.
 
S2011_J3 55509 11716800. 0.192 148.0 343.2 27.6 126.0 259.836323 128.367 270.725 37
S2018_J2 55510 11419700. 0.152 293.6 108.3 28.3 93.2 249.923847 140.030 295.761 37
S2018_J3 55511 23400300. 0.268 175.7 7.6 164.9 134.6 747.024566 79.156 86.380 37
S2021_J1 55512 20954700. 0.228 18.9 4.0 150.5 240.6 627.143382 133.227 110.800 37
S2021_J2 55513 20926600. 0.242 28.5 282.2 148.1 272.6 625.139190 146.021 111.305 37
S2021_J3 55514 20776700. 0.239 218.9 233.0 147.9 150.8 618.332595 147.060 112.519 37
S2021_J4 55515 23019700. 0.265 109.8 4.1 164.6 121.6 728.278426 80.865 88.739 37
S2021_J5 55516 23414600. 0.272 279.4 290.1 164.9 149.7 747.735358 79.099 86.285 37
S2021_J6 55517 22870300. 0.271 148.9 33.5 164.9 80.2 720.968561 80.900 89.253 37
S2016_J3 55518 22719300. 0.251 88.5 350.0 164.6 40.6 713.641308 83.067 91.194 37
S2016_J4 55519 23113800. 0.294 238.8 171.3 147.1 213.1 727.010204 115.542 92.013 37
S2018_J4 55520 16328500. 0.177 272.1 147.7 50.2 62.0 427.631070 - 195.214 37
S2022_J1 55521 22725200. 0.257 139.2 223.0 164.5 156.8 738.334157 45.512 49.281 37
S2022_J2 55522 23013800. 0.265 20.1 343.8 164.7 218.6 781.562507 40.150 89.526 37
S2022_J3 55523 21047700. 0.249 350.2 186.4 148.2 227.4 630.673027 142.778 109.790 37

Satellites of Saturn

mean orbital elements referred to the local Laplace planes
Epoch: 2000-01-01.5 TDB
Ephemeris: SAT441 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 R.A.
(deg)		 Dec.
(deg)		 Tilt
(deg)		 Ref.
 
Mimas 601 186000. 0.020 160.4 275.3 1.6 66.2 0.942422 0.493 0.986 40.6 83.5 0.0 33
Enceladus 602 238400. 0.005 119.5 57.0 0.0 0.0 1.370218 2.916 0.000 40.6 83.5 0.0 33
Tethys 603 295000. 0.001 335.3 0.0 1.1 273.0 1.887802 0.005 4.982 40.6 83.5 0.0 33
Dione 604 377700. 0.002 116.0 212.0 0.0 0.0 2.736916 11.698 0.000 40.6 83.5 0.0 33
Rhea 605 527200. 0.001 44.3 31.5 0.3 133.7 4.517503 33.939 35.775 40.6 83.5 0.0 33
Titan 606 1221900. 0.029 78.3 11.7 0.3 78.6 15.945448 346.680 687.370 36.4 84.0 0.6 33
Hyperion 607 1481500. 0.105 214.0 122.9 0.6 87.1 21.276658 20.843 257.625 40.2 83.6 0.1 33
Iapetus 608 3561700. 0.028 254.5 74.8 7.6 86.5 79.331002 1662.900 3130.302 288.7 78.9 14.8 33
Phoebe 609 12929400. 0.164 240.3 308.0 175.2 192.7 550.303910 468.321 741.483 276.0 67.5 26.7 33
Helene 612 377600. 0.007 194.3 -64.5 0.2 260.8 2.736916 5.825 11.707 40.6 83.5 0.0 33
Telesto 613 295000. 0.001 66.2 360.0 1.2 242.1 1.887802 0.005 4.982 40.6 83.5 0.0 33
Calypso 614 295000. 0.001 221.6 -0.0 1.5 326.6 1.887803 0.005 4.983 40.6 83.5 0.0 33
Methone 632 194700. 0.002 315.5 0.0 0.0 0.0 1.009549 0.003 0.000 40.6 83.5 0.0 33
Polydeuces 634 377600. 0.019 94.1 359.0 0.2 167.5 2.736916 5.810 11.692 40.6 83.5 0.0 33

mean orbital elements referred to the local Laplace planes
Epoch: 2000-01-01.5 TDB
Ephemeris: SAT415 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 R.A.
(deg)		 Dec.
(deg)		 Tilt
(deg)		 Ref.
 
Janus 610 151500. 0.007 11.1 111.7 0.2 159.9 0.697353 0.240 0.482 40.6 83.5 0.0 14
Epimetheus 611 151400. 0.020 96.3 197.2 0.3 189.8 0.697012 0.240 0.482 40.6 83.5 0.0 14
Atlas 615 137700. 0.001 82.3 289.1 0.0 0.0 0.604602 0.342 0.000 40.6 83.5 0.0 14
Prometheus 616 139400. 0.002 341.9 135.4 0.0 0.0 0.615878 0.357 0.000 40.6 83.5 0.0 14
Pandora 617 141700. 0.004 217.9 123.9 0.0 0.0 0.631369 0.379 0.000 40.6 83.5 0.0 14
Pan 618 133600. 0.000 0.0 146.6 0.0 0.0 0.575051 0.000 0.000 40.6 83.5 0.0 14
Pallene 633 212300. 0.004 194.9 2.0 0.2 304.3 1.156059 0.790 1.582 40.6 83.5 0.0 14
Daphnis 635 136500. 0.000 0.0 153.6 0.0 0.0 0.594080 0.000 0.000 40.6 83.5 0.0 14
Anthe 649 198100. 0.002 293.4 351.4 0.0 0.0 1.038898 1.190 0.000 40.6 83.5 0.0 14
Aegaeon 653 167500. 0.000 0.0 4.4 0.0 0.0 0.808115 0.000 0.000 40.6 83.5 0.0 14

mean ecliptic orbital elements
Epoch: 2000-01-01.0 TDB
Ephemeris: SAT454 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 Ref.
 
Ymir 619 22954500. 0.338 45.3 216.3 172.3 204.5 1315.078010 218.866 279.539 39
Paaliaq 620 14997900. 0.378 237.6 304.3 48.5 353.2 686.937962 561.370 529.468 39
Tarvos 621 18215600. 0.522 282.9 255.7 37.8 95.7 926.425784 193.907 270.095 39
Ijiraq 622 11344600. 0.293 68.6 27.9 49.2 152.5 451.428063 15829.584 973.424 39
Suttungr 623 19392000. 0.116 65.1 317.1 175.7 253.2 1016.697887 279.741 377.519 39
Kiviuq 624 11307500. 0.275 91.8 168.2 48.0 352.7 449.172103 4020.341 1064.522 39
Mundilfari 625 18588100. 0.212 305.4 97.1 167.1 79.2 952.858247 308.547 410.183 39
Albiorix 626 16329100. 0.482 62.8 17.0 36.8 111.1 783.459219 253.199 368.494 39
Skathi 627 15575400. 0.281 202.2 117.3 151.6 284.1 728.088602 498.532 556.463 39
Erriapus 628 17507000. 0.476 279.8 306.5 37.1 146.2 871.092737 219.065 321.969 39
Siarnaq 629 17881100. 0.309 68.4 190.5 47.8 64.0 895.577261 480.393 450.069 39
Thrymr 630 20330900. 0.467 92.2 350.7 175.0 247.3 1092.170793 219.551 292.396 39
Narvi 631 19285600. 0.441 177.9 109.3 142.2 179.0 1003.946106 335.671 342.673 39
Aegir 636 20664700. 0.255 242.7 27.5 166.1 179.1 1119.336994 265.879 338.162 39
Bebhionn 637 17027200. 0.459 358.1 167.5 38.5 199.8 834.848338 235.104 338.633 39
Bergelmir 638 19268400. 0.145 135.7 258.5 158.8 203.4 1005.530830 349.157 415.372 39
Bestla 639 20338300. 0.486 78.5 41.6 138.3 284.4 1087.172365 287.187 304.661 39
Farbauti 640 20290500. 0.249 343.5 10.4 156.2 135.6 1087.261627 322.913 365.187 39
Fenrir 641 22330000. 0.137 119.7 41.1 164.5 225.5 1260.193443 273.373 327.671 39
Fornjot 642 24936700. 0.213 320.7 62.4 170.0 256.0 1494.105551 223.702 267.173 39
Hati 643 19695400. 0.372 20.2 248.2 165.4 323.6 1040.051211 270.137 352.141 39
Hyrrokkin 644 18341000. 0.336 272.7 202.3 149.9 44.1 931.900309 378.399 407.813 39
Kari 645 22032800. 0.469 162.0 87.9 153.0 279.4 1231.189968 228.212 269.114 39
Loge 646 22919200. 0.191 31.7 12.5 168.1 342.6 1311.798030 256.071 313.937 39
Skoll 647 17623700. 0.463 193.2 169.3 159.4 297.1 878.375840 293.173 378.762 39
Surtur 648 22745700. 0.448 301.3 33.8 168.4 234.3 1295.595736 203.469 260.190 39
Jarnsaxa 650 19273200. 0.218 236.0 156.2 163.0 21.1 1006.463340 321.517 412.079 39
Greip 651 18379800. 0.317 146.2 307.2 174.2 335.8 937.004967 320.270 465.613 39
Tarqeq 652 17751000. 0.143 32.8 159.2 48.7 89.6 884.988724 802.977 684.009 39
Gridr 654 19250900. 0.187 285.5 176.3 163.9 334.9 1004.748101 330.493 428.455 39
Angrboda 655 20591200. 0.216 105.6 247.4 177.7 293.0 1114.059593 1162.061 9350.057 39
Skrymir 656 21447600. 0.437 56.0 100.5 175.6 157.0 1185.102733 212.054 279.136 39
Gerd 657 20948500. 0.518 278.0 103.8 174.4 230.0 1142.966402 204.761 271.726 39
S2006_S26 658 26098700. 0.147 138.2 193.2 173.0 341.3 1603.992038 214.333 250.530 39
Eggther 659 19843900. 0.157 144.2 94.3 165.0 87.0 1052.323857 305.742 386.923 39
S2004_S29 660 17064100. 0.485 312.4 186.4 38.6 169.8 837.780450 230.329 324.664 39
Beli 661 20703800. 0.087 256.8 203.3 158.9 253.4 1121.744245 346.496 391.803 39
Gunnlod 662 21141100. 0.251 34.5 293.4 160.3 295.4 1157.969293 293.119 349.338 39
Thiazzi 663 23579000. 0.512 300.8 350.2 158.8 63.8 1366.691228 189.941 233.511 39
S2004_S34 664 24144900. 0.280 353.0 165.2 168.3 287.8 1420.795938 222.965 270.644 39
Alvaldi 665 21994200. 0.238 178.4 64.2 177.4 306.8 1232.184588 574.844 1287.052 39
Geirrod 666 22260000. 0.539 342.8 221.4 154.3 118.9 1251.149838 205.222 252.681 39

mean ecliptic orbital elements
Epoch: 2000-01-01.0 TDB
Ephemeris: SAT454 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 Ref.
 
S2004_S31 65067 17497200. 0.159 262.0 254.3 48.1 75.3 866.090744 84940.330 638.105 39
S2004_S24 65070 23339000. 0.071 203.9 264.9 37.4 349.8 1341.344873 136.626 420.609 39
S2004_S28 65077 21865900. 0.159 194.9 196.5 167.9 127.8 1220.685137 264.002 327.868 39
S2004_S21 65079 23159300. 0.394 185.3 316.0 153.2 113.8 1328.583935 241.968 269.964 39
S2004_S36 65081 23390300. 0.625 206.5 74.9 153.3 220.5 1349.370782 172.405 216.361 39
S2004_S37 65082 15956500. 0.448 79.0 263.6 158.2 140.0 755.634901 321.277 414.809 39
S2004_S39 65084 23192200. 0.101 202.2 132.7 165.9 164.4 1335.882236 261.883 310.823 39
S2004_S07 65085 21328200. 0.511 54.9 116.8 164.9 323.8 1173.927204 208.777 268.006 39
S2004_S12 65086 19801200. 0.337 86.7 118.7 164.7 305.4 1048.568818 277.781 360.607 39
S2004_S13 65087 18453300. 0.265 348.6 352.5 169.0 207.8 942.566739 289.955 387.953 39
S2004_S17 65088 19699300. 0.162 180.1 196.4 167.9 24.3 1040.857137 309.774 409.315 39
S2006_S01 65089 18746200. 0.105 161.0 134.3 156.0 336.6 964.238364 419.047 481.553 39
S2006_S03 65090 21353300. 0.432 179.8 74.1 156.1 208.5 1174.784401 241.225 290.203 39
S2007_S02 65091 15939100. 0.232 56.5 136.7 174.0 115.1 754.907597 317.199 443.967 39
S2007_S03 65092 19614000. 0.150 338.1 83.6 173.8 106.9 1034.449032 275.309 368.167 39
S2019_S01 65093 11245400. 0.384 94.6 34.9 49.5 178.1 445.514188 1643.090 671.109 39
S2019_S02 65094 16560200. 0.279 100.2 353.8 173.3 101.0 799.848520 308.867 431.282 39
S2019_S03 65095 17077100. 0.249 129.3 29.7 166.9 234.6 837.742430 333.204 456.455 39
S2020_S01 65096 11338600. 0.337 85.8 357.3 48.2 149.4 451.095170 18067.429 834.477 39
S2020_S02 65097 17869000. 0.152 132.4 181.3 170.7 99.4 897.588140 312.622 427.559 39
S2004_S40 65098 16075600. 0.297 139.7 199.0 169.2 42.4 764.603800 353.448 505.592 39
S2006_S09 65100 14406600. 0.248 355.7 328.6 173.0 46.2 647.892560 403.187 610.101 39
S2007_S05 65101 15835700. 0.104 39.1 129.7 158.4 129.2 746.878764 455.492 553.845 39
S2020_S03 65102 18057200. 0.142 5.1 87.0 46.0 218.7 908.186488 734.796 617.804 39
S2019_S04 65103 17951800. 0.408 249.5 332.6 170.1 302.5 903.892615 291.043 406.184 39
S2004_S41 65104 18095000. 0.301 238.5 237.9 165.7 56.7 914.618048 308.302 414.058 39
S2020_S04 65105 18236000. 0.495 163.7 167.0 40.1 74.2 926.962759 209.251 289.880 39
S2020_S05 65106 18391400. 0.220 271.9 238.1 48.2 226.5 933.894069 6903.798 482.938 39
S2007_S06 65107 18544900. 0.169 24.1 50.3 166.5 328.9 949.496194 341.929 463.264 39
S2004_S42 65108 18240800. 0.157 118.2 299.1 165.7 11.0 925.912112 349.565 471.927 39
S2006_S10 65109 18979900. 0.151 102.3 160.4 161.6 357.1 983.139254 356.372 448.753 39
S2019_S05 65110 19090400. 0.216 319.2 247.3 158.8 264.1 991.437790 347.671 420.010 39
S2004_S43 65111 18935000. 0.432 227.2 2.3 171.1 187.1 980.080472 244.730 326.955 39
S2004_S44 65112 19515400. 0.129 176.8 202.6 167.7 49.9 1026.158033 311.871 410.780 39
S2004_S45 65113 19693600. 0.551 346.8 197.3 154.0 299.8 1038.696711 232.519 288.745 39
S2006_S11 65114 19711900. 0.143 145.5 235.9 174.1 236.6 1042.285109 279.519 375.886 39
S2006_S12 65115 19569800. 0.542 79.7 255.7 38.6 149.9 1035.055387 166.032 232.907 39
S2019_S06 65116 18205500. 0.120 288.6 184.5 46.4 156.9 919.705829 3729.587 618.465 39
S2006_S13 65117 19953800. 0.313 259.1 143.7 162.0 54.3 1060.627398 285.511 360.395 39
S2019_S07 65118 20184900. 0.232 339.9 290.8 174.2 203.0 1080.584698 256.431 338.703 39
S2019_S08 65119 20286700. 0.311 126.7 88.2 172.8 152.8 1088.869492 245.829 324.926 39
S2019_S09 65120 20358800. 0.433 302.7 38.4 159.5 104.0 1093.091083 248.860 310.800 39
S2004_S46 65121 20513100. 0.249 303.0 345.2 177.2 298.5 1107.588858 1033.140 61505.489 39
S2019_S10 65122 20700500. 0.248 1.1 313.3 163.9 269.5 1121.990703 284.046 353.116 39
S2004_S47 65123 16050700. 0.291 288.5 167.1 160.9 290.2 762.493185 391.896 532.712 39
S2019_S11 65124 20663600. 0.513 43.2 214.0 144.6 349.0 1114.995357 258.865 290.582 39
S2006_S14 65125 21062100. 0.060 158.1 58.1 166.7 268.0 1152.673943 294.110 371.988 39
S2019_S12 65126 20894700. 0.475 261.6 252.9 167.1 336.6 1138.019060 221.492 287.986 39
S2020_S06 65127 21254200. 0.480 41.4 220.5 166.9 30.0 1167.944497 214.393 277.329 39
S2019_S13 65128 20964300. 0.318 218.2 263.1 177.3 287.4 1144.786260 1053.667 11696.851 39
S2005_S04 65129 11324500. 0.315 99.2 252.5 48.0 174.1 450.220076 17833.030 920.846 39
S2007_S07 65130 15931600. 0.217 157.5 41.4 169.2 10.1 754.285806 390.244 578.815 39
S2007_S08 65131 17049000. 0.490 265.8 354.9 36.2 198.2 836.899542 221.961 325.870 39
S2020_S07 65132 17394000. 0.500 290.6 244.4 161.4 163.8 861.248300 269.440 351.999 39
S2019_S14 65133 17853200. 0.172 344.6 197.1 46.2 154.4 893.151832 683.122 580.671 39
S2019_S15 65134 21190300. 0.257 13.9 251.7 157.8 32.1 1161.596437 305.299 348.916 39
S2005_S05 65135 21366100. 0.588 280.8 203.7 169.5 87.5 1177.822674 187.856 247.322 39
S2006_S15 65136 21799400. 0.117 237.2 267.8 161.1 22.0 1213.963208 310.193 361.118 39
S2006_S16 65137 21720600. 0.204 290.3 86.8 164.1 161.1 1207.520293 269.498 328.291 39
S2006_S17 65138 22384100. 0.425 139.5 38.2 168.7 257.4 1264.512047 211.177 270.552 39
S2004_S48 65139 22136800. 0.374 290.9 164.1 161.9 185.6 1242.405270 235.247 288.609 39
S2020_S08 65140 21966600. 0.252 37.1 98.5 161.8 53.6 1228.110579 272.688 325.564 39
S2004_S49 65141 22399800. 0.453 189.3 309.8 159.7 217.2 1264.250853 217.111 268.849 39
S2004_S50 65142 22346000. 0.450 182.4 102.5 164.0 171.7 1260.442849 213.004 270.314 39
S2006_S18 65143 22760700. 0.131 75.0 253.8 169.5 62.1 1298.396815 258.187 320.440 39
S2019_S16 65144 23264100. 0.250 280.9 304.5 162.0 199.8 1340.931763 252.333 294.856 39
S2019_S17 65145 22724000. 0.546 296.7 196.0 155.5 110.9 1291.386404 194.825 239.690 39
S2019_S18 65146 23140700. 0.509 299.7 259.0 154.6 213.5 1327.060729 202.964 244.192 39
S2019_S19 65147 23044700. 0.458 301.0 218.8 151.8 231.9 1317.829992 225.975 258.411 39
S2019_S20 65148 23679600. 0.354 187.8 294.3 156.1 177.0 1375.531571 240.222 270.891 39
S2006_S19 65149 23801100. 0.467 22.9 348.6 175.5 273.1 1389.333350 186.511 240.778 39
S2004_S51 65150 25208000. 0.201 78.8 212.7 171.2 290.3 1519.410709 220.599 263.107 39
S2020_S09 65151 25408500. 0.531 178.2 357.7 161.4 24.8 1532.646210 167.630 207.685 39
S2004_S52 65152 26446800. 0.292 290.4 295.6 165.3 194.5 1633.866991 208.241 239.304 39
S2007_S09 65153 20174600. 0.360 114.3 81.7 159.3 257.2 1078.067217 273.933 335.415 39
S2004_S53 65154 23279800. 0.240 280.9 337.2 162.6 207.7 1342.435676 252.517 295.946 39
S2020_S10 65155 25314700. 0.296 196.6 57.6 165.6 235.6 1527.208982 214.571 253.704 39
S2019_S21 65156 26439500. 0.155 36.4 343.0 171.9 1.6 1636.368262 212.644 245.536 39
S2006_S20 65157 13193700. 0.206 80.7 19.4 173.1 70.2 567.265764 424.382 635.490 39

Satellites of Uranus

mean orbital elements referred to the local Laplace planes
Epoch: 2000-01-01.5 TDB
Ephemeris: URA111 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 R.A.
(deg)		 Dec.
(deg)		 Tilt
(deg)		 Ref.
 
Ariel 701 190900. 0.001 83.3 119.8 0.0 0.0 2.520680 57.778 0.000 77.3 15.2 180.0 10
Umbriel 702 266000. 0.004 157.5 258.3 0.1 195.5 4.144548 65.761 136.799 77.3 15.2 180.0 10
Titania 703 436300. 0.001 202.0 53.2 0.1 26.4 8.706444 367.905 17295.870 77.3 15.2 180.0 10
Oberon 704 583400. 0.001 182.4 139.7 0.1 30.5 13.463606 522.476 855.045 77.3 15.2 180.0 10
Miranda 705 129900. 0.001 155.6 72.4 4.4 100.7 1.413784 8.936 17.780 77.3 15.2 180.0 10
Puck 715 86000. 0.000 0.0 50.1 0.4 216.0 0.761476 0.000 4.452 77.3 15.2 180.0 10

mean orbital elements referred to the local Laplace planes
Epoch: 2000-01-01.0 TDB
Ephemeris: URA115 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 R.A.
(deg)		 Dec.
(deg)		 Tilt
(deg)		 Ref.
 
Cordelia 706 49800. 0.000 0.0 95.0 0.2 271.4 0.334569 0.000 0.657 77.3 15.2 180.0 15
Ophelia 707 53800. 0.011 344.3 280.5 0.1 266.5 0.376855 0.431 0.862 77.3 15.2 180.0 15
Bianca 708 59200. 0.001 97.0 236.2 0.1 209.5 0.435007 0.607 1.217 77.3 15.2 180.0 15
Cressida 709 61800. 0.000 0.0 332.8 0.1 304.0 0.463154 0.000 1.415 77.3 15.2 180.0 15
Desdemona 710 62700. 0.000 0.0 160.4 0.1 96.3 0.473228 0.000 1.454 77.3 15.2 180.0 15
Juliet 711 64400. 0.001 291.5 124.8 0.0 0.0 0.493479 1.611 0.000 77.3 15.2 180.0 15
Portia 712 66100. 0.000 0.0 343.7 0.0 0.0 0.513196 0.000 0.000 77.3 15.2 180.0 15
Rosalind 713 69900. 0.000 0.0 79.4 0.0 0.0 0.558459 0.000 0.000 77.3 15.2 180.0 15
Belinda 714 75300. 0.000 0.0 121.3 0.0 0.0 0.623527 0.000 0.000 77.3 15.2 180.0 15
Puck 715 86000. 0.000 0.0 174.5 0.3 215.5 0.761477 0.000 4.457 77.3 15.2 180.0 15
Perdita 725 76400. 0.002 310.4 32.2 0.0 0.0 0.638411 2.841 0.000 77.3 15.2 180.0 15
Mab 726 97700. 0.003 237.9 348.0 0.1 188.2 0.923293 3.402 6.645 77.3 15.2 180.0 15
Cupid 727 74400. 0.005 13.5 160.6 0.1 206.6 0.613168 1.738 4.137 77.3 15.2 180.0 15

mean ecliptic orbital elements
Epoch: 2020-01-01.0 TDB
Ephemeris: URA117 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 Ref.
 
Caliban 716 7167000. 0.200 349.7 241.2 141.4 174.9 580. 8795. 6483. 40
Sycorax 717 12193200. 0.520 25.4 332.1 157.0 267.1 1286. 1394. 1863. 40
Prospero 718 16221000. 0.441 180.4 197.6 149.4 324.5 1974. 1154. 1369. 40
Setebos 719 17519800. 0.579 356.1 148.0 153.9 244.7 2215. 48. 48. 40
Stephano 720 7951400. 0.235 17.1 164.4 143.6 193.3 677. 5469. 5190. 40
Trinculo 721 8502600. 0.220 162.2 55.6 167.1 196.5 749. 2589. 4265. 40
Francisco 722 4275700. 0.144 137.6 288.4 146.8 101.9 267. 12473. 14419. 40
Margaret 723 14425000. 0.642 90.7 115.9 60.5 0.9 1655. - 1002. 40
Ferdinand 724 20421400. 0.395 166.9 172.3 169.2 223.9 2788. 747. 1001. 40
S2023_U1 75051 7976600. 0.250 158.7 101.8 143.9 260.2 681. 5078. 5022. 40

Satellites of Neptune

mean orbital elements referred to the local Laplace planes
Epoch: 2000-01-01.5 TDB
Ephemeris: NEP097 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 R.A.
(deg)		 Dec.
(deg)		 Tilt
(deg)		 Ref.
 
Triton 801 354800. 0.000 0.0 63.0 157.3 178.1 5.876994 0.000 340.379 299.8 43.1 0.4 21
Naiad 803 48200. 0.000 0.0 89.7 4.7 41.4 0.293980 0.000 0.575 299.7 42.7 0.4 21
Thalassa 804 50100. 0.000 0.0 165.7 0.2 130.6 0.311078 0.000 0.654 299.7 42.7 0.4 21
Despina 805 52500. 0.000 0.0 125.1 0.0 0.0 0.334656 0.000 0.000 299.7 42.7 0.4 21
Galatea 806 62000. 0.000 0.0 86.7 0.0 0.0 0.428744 0.000 0.000 299.8 43.1 0.4 21
Larissa 807 73500. 0.001 247.3 165.5 0.2 312.0 0.554989 1.257 2.514 299.8 43.1 0.4 21
Proteus 808 117600. 0.000 0.0 276.8 0.0 0.0 1.122315 0.000 0.000 299.8 42.6 0.9 21
Hippocamp 814 105300. 0.001 346.4 286.5 0.3 0.5 0.950390 8.726 661.762 299.8 43.0 0.4 21

mean ecliptic orbital elements
Epoch: 2020-01-01.0 TDB
Ephemeris: NEP105 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 Ref.
 
Nereid 802 5513900. 0.751 296.8 318.5 5.1 319.5 360.133039 7990.433 9426.334 41

mean ecliptic orbital elements
Epoch: 2020-01-01.0 TDB
Ephemeris: NEP104 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 Ref.
 
Halimede 809 16590500. 0.521 157.9 135.8 119.6 198.5 1879. 5395. 5156. 40
Psamathe 810 47646600. 0.413 148.2 183.2 127.8 302.9 9149. 1484. 1333. 40
Sao 811 22239900. 0.296 93.5 178.5 50.2 41.8 2919. - 4454. 40
Laomedeia 812 23499900. 0.419 146.2 248.1 36.9 57.6 3168. 2255. 3154. 40
Neso 813 49897800. 0.455 89.8 13.8 128.4 55.4 9805. - 1116. 40
S2002_N5 85051 23414700. 0.433 59.1 303.2 46.3 258.3 3151. 2869. 3121. 40
S2021_N1 85052 50700200. 0.503 90.4 237.1 135.2 258.9 10043. - 924. 40

Satellites of Pluto

mean equatorial orbital elements
Epoch: 2000-01-01.5 TDB
Ephemeris: PLU060 [ table legend ]

Satellite
 		 Code
 		 a
(km)		 e
 		 ω
(deg)		 M
(deg)		 i
(deg)		 node
(deg)		 P
(days)		 Papsis
(yr)		 Pnode
(yr)		 Ref.
 
Charon 901 19600. 0.000 0.0 304.1 0.0 0.0 6.387222 - - 6
Styx 905 43200. 0.025 322.5 358.1 0.0 0.0 20.16 - - 6
Nix 902 49300. 0.015 31.4 338.2 0.0 0.0 24.85 - - 6
Kerberos 904 58300. 0.010 32.1 276.1 0.4 314.3 32.17 - 9 6
Hydra 903 65200. 0.009 139.3 335.0 0.3 114.3 38.20 - 14 6

Table Column Descriptions

Satellite IAU name or designation of the satellite
Code JPL satellite ID
Ephemeris planetary satellite ephemeris ID used to derive the mean elements
Frame reference frame of the mean elements
Epoch epoch of the osculating mean elements
a semi-major Axis
e eccentricity
ω argument of periapsis
M mean anomaly
i inclination with respect to the reference plane
node longitude of the ascending node measured from the node of the reference plane on the ICRF equator
P sidereal period
Papsis argument of periapsis precession period
Pnode longitude of the ascending node precession period
R.A. right ascension of the Laplace-plane pole postion w.r.t. ICRF
Dec. declination of the Laplace-plane pole postion w.r.t. ICRF
Tilt angle between the planet's equatorial and Laplace planes

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