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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 24 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1151679684631753 | 5.5538e-08 | |
| a | 2.659503323841503 | 1.6339e-08 | au |
| q | 2.353213728913615 | 1.5445e-07 | au |
| i | 14.95818230877679 | 4.8159e-06 | deg |
| node | 81.10837003586549 | 1.8892e-05 | deg |
| peri | 313.3811760458811 | 2.582e-05 | deg |
| M | 339.6402648077749 | 1.8679e-05 | deg |
| tp | 2459290.091922783405
(2021-Mar-16.59192278) | 8.249e-05 | TDB |
| period | 1584.160692538987
4.34 | 1.4599e-05
3.997e-08 | d
yr |
| n | .2272496734046696 | 2.0942e-09 | deg/d |
| Q | 2.965792918769391 | 1.8221e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.79 |
|
n/a |
E2021B55 |
|
| diameter |
diameter |
3.331 |
km |
0.325 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.230 |
|
0.020 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 102971 (1999 XP72) Discovered 1999-Dec-07 by LINEAR at Socorro |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
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