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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 27 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .3786764166311132 | 5.6664e-08 | |
| a | 2.737844833175215 | 1.3742e-08 | au |
| q | 1.701087562456417 | 1.5404e-07 | au |
| i | 16.8762640188997 | 5.7087e-06 | deg |
| node | 358.4005147769687 | 1.8134e-05 | deg |
| peri | 332.1493766413404 | 1.871e-05 | deg |
| M | 172.8350069108745 | 9.7272e-06 | deg |
| tp | 2458406.096984848497
(2018-Oct-14.59698485) | 4.141e-05 | TDB |
| period | 1654.671067893175
4.53 | 1.2457e-05
3.411e-08 | d
yr |
| n | .2175658999455241 | 1.638e-09 | deg/d |
| Q | 3.774602103894013 | 1.8945e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.37 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
8.949 |
km |
1.581 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N) |
|
| geometric albedo |
albedo |
0.047 |
|
0.017 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N) |
|
|
| 2128 Wetherill (1973 SB) Discovered 1973-Sep-26 by Helin, E. F. at Palomar |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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|
