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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 28 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1275594829498314 | 3.8215e-08 | |
| a | 3.140781276713696 | 1.8803e-08 | au |
| q | 2.740144840997586 | 1.2147e-07 | au |
| i | 13.66714001265261 | 4.3941e-06 | deg |
| node | 23.98778233108358 | 1.509e-05 | deg |
| peri | 351.2705084067971 | 2.1063e-05 | deg |
| M | 193.8927869354242 | 1.6515e-05 | deg |
| tp | 2459938.582334793505
(2022-Dec-25.08233479) | 9.7898e-05 | TDB |
| period | 2033.082334566494
5.57 | 1.8257e-05
4.998e-08 | d
yr |
| n | .1770710383339007 | 1.5901e-09 | deg/d |
| Q | 3.541417712429807 | 2.1201e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.08 |
|
n/a |
E2020-QM5 |
|
| diameter |
diameter |
13.492 |
km |
0.153 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.081 |
|
0.018 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 16458 (1989 WZ2) Discovered 1989-Nov-21 by Oshima, Y. at Gekko |
| Reference: 20000913/Numbers.arc | Last Updated: 2004-04-19 |
|
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|
