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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1393846717195742 | 2.9146e-08 | |
| a | 2.442113995982759 | 9.6339e-09 | au |
| q | 2.101720738350924 | 6.9317e-08 | au |
| i | 7.07819474966735 | 2.9172e-06 | deg |
| node | 123.466974087961 | 3.9807e-05 | deg |
| peri | 191.1029892167927 | 4.36e-05 | deg |
| M | 76.39499014595837 | 1.8606e-05 | deg |
| tp | 2458904.692143645477
(2020-Feb-25.19214365) | 7.1883e-05 | TDB |
| period | 1393.950415913001
3.82 | 8.2485e-06
2.258e-08 | d
yr |
| n | .2582588274951009 | 1.5282e-09 | deg/d |
| Q | 2.782507253614593 | 1.0977e-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 |
15.39 |
|
n/a |
E2021B10 |
|
|
| 56516 (2000 HE20) Discovered 2000-Apr-27 by Spacewatch at Kitt Peak |
| Reference: 20030318/Numbers.arc | Last Updated: 2004-04-19 |
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