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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 |
|
| | 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 |
|
n/a |
MPO220118 |
|
| 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.] |
|
| 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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