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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 | .03135233191123481 | 4.8788e-08 | |
| a | 2.753257586353082 | 1.8224e-08 | au |
| q | 2.666936540668615 | 1.3481e-07 | au |
| i | 6.390451543780311 | 5.3861e-06 | deg |
| node | 69.30792842927951 | 3.9168e-05 | deg |
| peri | 3.233473919129877 | 8.4131e-05 | deg |
| M | 216.020187398394 | 7.6188e-05 | deg |
| tp | 2459867.871716167215
(2022-Oct-15.37171617) | 0.00035532 | TDB |
| period | 1668.663220759864
4.57 | 1.6568e-05
4.536e-08 | d
yr |
| n | .2157415561877523 | 2.1421e-09 | deg/d |
| Q | 2.839578632037549 | 1.8796e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.41 |
|
n/a |
E2021B55 |
|
| diameter |
diameter |
4.358 |
km |
0.248 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.093 |
|
0.016 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 102949 (1999 XB56) Discovered 1999-Dec-07 by LINEAR at Socorro |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
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