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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2270108536624747 | 9.2043e-06 | |
| a | 39.17434698624459 | 0.00047082 | au |
| q | 30.28134503522721 | 0.0007238 | au |
| i | 20.5923210465828 | 2.3416e-05 | deg |
| node | 268.7992305654706 | 0.00016411 | deg |
| peri | 72.31084191321693 | 0.0015048 | deg |
| M | 181.7342289310304 | 0.0023425 | deg |
| tp | 2503347.733928676702
(2141-Oct-31.23392868) | 1.3238 | TDB |
| period | 89557.31724934945
245.19 | 1.6145
0.00442 | d
yr |
| n | .004019772041604061 | 7.2469e-08 | deg/d |
| Q | 48.06734893726196 | 0.00057771 | 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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