[ hide orbit diagram ]
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .228145384649672 | 8.5761e-06 | |
| a | 39.13746437103155 | 0.00043063 | au |
| q | 30.20843250788972 | 0.00066746 | au |
| i | 20.58903309922108 | 2.0827e-05 | deg |
| node | 268.7672513746157 | 0.00014933 | deg |
| peri | 72.49406725176109 | 0.0013136 | deg |
| M | 182.3058126435936 | 0.002052 | deg |
| tp | 2503343.127044756227
(2141-Oct-26.62704476) | 1.1762 | TDB |
| period | 89430.86981364511
244.85 | 1.476
0.004041 | d
yr |
| n | .004025455648034771 | 6.6438e-08 | deg/d |
| Q | 48.06649623417338 | 0.00052888 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
2.30 |
|
n/a |
E2021B10 |
|
| 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 |
|
|
