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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 31 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2921177979913928 | 3.8761e-08 | |
| a | 2.583305573722206 | 1.0795e-08 | au |
| q | 1.828676037987584 | 9.8481e-08 | au |
| i | 13.90415016898335 | 3.7896e-06 | deg |
| node | 174.5234574298475 | 1.2767e-05 | deg |
| peri | 176.9525608154597 | 1.3719e-05 | deg |
| M | 158.5312854657118 | 6.1866e-06 | deg |
| tp | 2458332.656691740756
(2018-Aug-02.15669174) | 2.5134e-05 | TDB |
| period | 1516.568734474358
4.15 | 9.506e-06
2.603e-08 | d
yr |
| n | .2373779650183648 | 1.4879e-09 | deg/d |
| Q | 3.337935109456829 | 1.3948e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.76 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
5.465 |
km |
0.226 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
77.623 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
| geometric albedo |
albedo |
0.215 |
|
0.025 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
|
| 14471 (1993 SG1) Discovered 1993-Sep-21 by McNaught, R. H. at Siding Spring |
| Reference: 20000418/Numbers.arc | Last Updated: 2004-04-19 |
|
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