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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1704748858430769 | 3.7362e-08 | |
| a | 2.338919202811486 | 9.4553e-09 | au |
| q | 1.940192218716017 | 8.703e-08 | au |
| i | 4.430840422385344 | 4.4061e-06 | deg |
| node | 38.59187059435131 | 4.9606e-05 | deg |
| peri | 169.1628712659228 | 5.1203e-05 | deg |
| M | 168.4411810785163 | 1.4515e-05 | deg |
| tp | 2458389.182211531608
(2018-Sep-27.68221153) | 5.0563e-05 | TDB |
| period | 1306.535625311466
3.58 | 7.9227e-06
2.169e-08 | d
yr |
| n | .2755378368761888 | 1.6708e-09 | deg/d |
| Q | 2.737646186906955 | 1.1067e-08 | 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 |
16.2 |
|
n/a |
MPO240811 |
|
|
| 85455 (1997 HJ) Discovered 1997-Apr-28 by Spacewatch at Kitt Peak |
| Reference: 20040830/Numbers.arc | Last Updated: 2004-09-06 |
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