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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2289632641636309 | 8.36e-06 | |
| a | 39.11048544494336 | 0.00042091 | au |
| q | 30.15562103444494 | 0.00065101 | au |
| i | 20.58490129117861 | 1.8588e-05 | deg |
| node | 268.7255500519894 | 0.00013658 | deg |
| peri | 72.70167878758274 | 0.0012835 | deg |
| M | 182.8378329941491 | 0.0020213 | deg |
| tp | 2503361.463779570571
(2141-Nov-13.96377957) | 1.1524 | TDB |
| period | 89338.41365872823
244.60 | 1.4422
0.003949 | d
yr |
| n | .004029621584452978 | 6.505e-08 | deg/d |
| Q | 48.06534985544177 | 0.00051728 | 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 |
2.29 |
|
n/a |
MPCxxxxx |
|
| rotation period |
rot_per |
13.188 |
h |
n/a |
LCDB (Rev. 2020-October); 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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