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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 13 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .09667931310136701 | 4.3773e-08 | |
| a | 2.406068154516058 | 1.6957e-08 | au |
| q | 2.173451138062372 | 1.0989e-07 | au |
| i | 4.383133509306852 | 5.2017e-06 | deg |
| node | 215.2448470141083 | 6.6145e-05 | deg |
| peri | 64.05878336867337 | 7.2119e-05 | deg |
| M | 253.6678953761501 | 2.9943e-05 | deg |
| tp | 2459603.144919479268
(2022-Jan-23.64491948) | 0.00011348 | TDB |
| period | 1363.20231340577
3.73 | 1.4411e-05
3.946e-08 | d
yr |
| n | .2640840588808792 | 2.7917e-09 | deg/d |
| Q | 2.638685170969745 | 1.8596e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.9 |
|
n/a |
MPO454844 |
|
| diameter |
diameter |
2.625 |
km |
0.142 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.049 |
|
0.008 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 249018 (2007 RF139) Discovered 2007-Sep-15 by Ferrando, R. at Pla D'Arguines |
| Reference: 20100824/Numbers.arc | Last Updated: 2010-08-27 |
|
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