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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1070212348242773 | 3.8922e-08 | |
a | 3.017226545590807 | 1.2684e-08 | au |
q | 2.69431923493709 | 1.1725e-07 | au |
i | 8.555647287920509 | 4.4463e-06 | deg |
node | 279.8359979077237 | 2.7331e-05 | deg |
peri | 70.65703379812898 | 3.3718e-05 | deg |
M | 157.1789998654775 | 2.0762e-05 | deg |
tp | 2458164.700076412338 (2018-Feb-15.20007641) | 0.00010967 | TDB |
period | 1914.301355455085 5.24 | 1.2071e-05 3.305e-08 | d yr |
n | .1880581649143834 | 1.1858e-09 | deg/d |
Q | 3.340133856244523 | 1.4041e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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Orbital Elements at Epoch 2456438.5 (2013-May-26.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1025041271679603 | 3.8481e-08 | |
q | 2.707883649470099 | 1.1515e-07 | au |
tp | 2456238.212353496834 (2012-Nov-06.71235350) | 0.0001153 | TDB |
node | 280.0488390483875 | 2.7192e-05 | deg |
peri | 68.70617798156611 | 3.4361e-05 | deg |
i | 8.577408640323364 | 4.454e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
1.48078061301094E-15 |
-4.409910918477111E-15 |
-5.262400967895112E-13 |
-3.119710697415645E-15 |
-1.185531340059604E-13 |
1.351663252450306E-15 |
q |
-4.409910918477111E-15 |
1.325991256398203E-14 |
1.648270722127142E-12 |
1.044001011499873E-14 |
3.666886616935479E-13 |
-3.860346716924657E-15 |
tp |
-5.262400967895112E-13 |
1.648270722127142E-12 |
1.329483291433684E-8 |
-7.672278538342038E-13 |
2.444137297775805E-9 |
-2.72801089110708E-13 |
node |
-3.119710697415645E-15 |
1.044001011499873E-14 |
-7.672278538342038E-13 |
7.393871904646888E-10 |
-7.306682048042023E-10 |
1.717263000754848E-11 |
peri |
-1.185531340059604E-13 |
3.666886616935479E-13 |
2.444137297775805E-9 |
-7.306682048042023E-10 |
1.180671139122373E-9 |
-1.701659928138011E-11 |
i |
1.351663252450306E-15 |
-3.860346716924657E-15 |
-2.72801089110708E-13 |
1.717263000754848E-11 |
-1.701659928138011E-11 |
1.983781977325845E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
8.3 |
|
n/a |
MPO502159 |
IRAS observations used: 15 |
diameter |
diameter |
78.509 |
km |
1.161 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
6.193 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Binzel, R.P. (1987) Icarus 72, 135-208.] [Riccioli, D.; Blanco, C.; Cigna, M. (2001) Planet. Space Sci. 49, 657-671.] [Warner, B.D. (2008) Minor Planet Bull. 35, 56-60.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] |
geometric albedo |
albedo |
0.123 |
|
0.018 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
B-V |
BV |
0.836 |
|
0.021 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=7; phase (min.=3.31, mean=9.42, max.=16.89) deg. |
U-B |
UB |
0.477 |
|
0.015 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=6; phase (min.=5.44, mean=10.44, max.=16.89) deg. |
Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
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639 Latona (A907 OA) Discovered 1907-Jul-19 by Lohnert, K. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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