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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 19 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1288306035462297 | 4.3578e-08 | |
| a | 2.340441118098196 | 1.1384e-08 | au |
| q | 2.038920676289193 | 1.0145e-07 | au |
| i | 6.324444900317379 | 4.2641e-06 | deg |
| node | 112.8211552273508 | 4.3729e-05 | deg |
| peri | 242.7203342972127 | 4.671e-05 | deg |
| M | 333.7213759804291 | 1.6071e-05 | deg |
| tp | 2459295.965208746263
(2021-Mar-22.46520875) | 5.8523e-05 | TDB |
| period | 1307.811060543334
3.58 | 9.5417e-06
2.612e-08 | d
yr |
| n | .2752691201819604 | 2.0083e-09 | deg/d |
| Q | 2.641961559907199 | 1.285e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.18 |
|
n/a |
E2021B55 |
|
| diameter |
diameter |
1.617 |
km |
0.153 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.295 |
|
0.102 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 102131 (1999 RX179) Discovered 1999-Sep-09 by LINEAR at Socorro |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
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