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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1852127924916398 | 2.5763e-08 | |
| a | 2.226933406871719 | 7.1827e-09 | au |
| q | 1.814476851892087 | 5.6329e-08 | au |
| i | 6.811571757485994 | 2.9361e-06 | deg |
| node | 117.6240374975317 | 3.7348e-05 | deg |
| peri | 168.5531592010965 | 3.943e-05 | deg |
| M | 136.3613359989201 | 1.3772e-05 | deg |
| tp | 2458540.722177510602
(2019-Feb-26.22217751) | 4.5729e-05 | TDB |
| period | 1213.833927950767
3.32 | 5.8726e-06
1.608e-08 | d
yr |
| n | .2965809339402496 | 1.4349e-09 | deg/d |
| Q | 2.639389961851351 | 8.513e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.9 |
|
n/a |
MPO324695 |
|
| diameter |
diameter |
3.816 |
km |
0.767 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N) |
|
| rotation period |
rot_per |
8.392 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Clark, M. (2007) Minor Planet Bull. 34, 19-22.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] |
| geometric albedo |
albedo |
0.347 |
|
0.144 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N) |
|
|
| 42923 (1999 SR18) Discovered 1999-Sep-30 by LINEAR at Socorro |
| Reference: 20020624/Numbers.arc | Last Updated: 2004-04-19 |
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