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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .09847430848220567 | 4.4228e-08 | |
| a | 3.014862393015288 | 1.9573e-08 | au |
| q | 2.7179759036941 | 1.4148e-07 | au |
| i | 8.414386509521945 | 4.4383e-06 | deg |
| node | 99.8386086105981 | 3.1807e-05 | deg |
| peri | 263.1196739410969 | 3.9081e-05 | deg |
| M | 256.6844797755945 | 2.4026e-05 | deg |
| tp | 2459549.235092172428
(2021-Nov-30.73509217) | 0.00012924 | TDB |
| period | 1912.051865518358
5.23 | 1.862e-05
5.098e-08 | d
yr |
| n | .1882794115014259 | 1.8335e-09 | deg/d |
| Q | 3.311748882336477 | 2.1501e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.0 |
|
n/a |
MPO474005 |
|
| diameter |
diameter |
5.305 |
km |
0.199 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.300 |
|
0.095 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 18014 (1999 JC121) Discovered 1999-May-13 by LINEAR at Socorro |
| Reference: 20001013/Numbers.arc | Last Updated: 2004-04-19 |
|
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