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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2270108684381712 | 1.2585e-05 | |
| a | 39.17433326365287 | 0.00064745 | au |
| q | 30.28133384898469 | 0.00099272 | au |
| i | 20.5923169846859 | 2.8801e-05 | deg |
| node | 268.799222195121 | 0.00019607 | deg |
| peri | 72.31068066733981 | 0.0019571 | deg |
| M | 181.7344909032199 | 0.0030531 | deg |
| tp | 2503347.645455861108
(2141-Oct-31.14545586) | 1.8106 | TDB |
| period | 89557.27019208545
245.19 | 2.2202
0.006079 | d
yr |
| n | .004019774153766187 | 9.9655e-08 | deg/d |
| Q | 48.06733267832105 | 0.00079443 | 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-August); 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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