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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.
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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2241546960002511 | 1.5689e-05 | |
a | 39.26623242364792 | 0.00083201 | au |
q | 30.46452203164992 | 0.0012604 | au |
i | 20.59307506543398 | 3.9123e-05 | deg |
node | 268.8063886319852 | 0.00025305 | deg |
peri | 72.15973774079418 | 0.0026926 | deg |
M | 180.3462439253819 | 0.0041476 | deg |
tp | 2503450.358484175464 (2142-Feb-10.85848418) | 2.4188 | TDB |
period | 89872.59385546632 246.06 | 2.8564 0.00782 | d yr |
n | .004005670522639575 | 1.2731e-07 | deg/d |
Q | 48.06794281564593 | 0.0010185 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
2.2 |
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n/a |
MPO220118 |
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rotation period |
rot_per |
13.188 |
h |
n/a |
LCDB (Rev. 2019-January); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Rabinowitz, D.L.; Schaefer, B.E.; Tourtellotte, S.W. (2007) Astron. J. 133, 26-43.] |
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90482 Orcus | Discovered 2004 Feb. 17 by M. Brown, C. Trujillo and D. Rabinowitz |
Orcus was the Roman god of death, the counterpart of the Greek Pluto. Orcus collected the dead and carried them back to the underworld that he ruled. |
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
Reference: 20041126/MPCPages.arc | Last Updated: 2016-05-31 |
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