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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 23 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1901433940680007 | 4.7507e-08 | |
| a | 2.67447798020252 | 1.5032e-08 | au |
| q | 2.165943659686681 | 1.319e-07 | au |
| i | 9.8871370771021 | 4.9834e-06 | deg |
| node | 305.2248913596143 | 2.6356e-05 | deg |
| peri | 162.930139520862 | 3.0094e-05 | deg |
| M | 284.8488060068029 | 1.712e-05 | deg |
| tp | 2459533.995786259166
(2021-Nov-15.49578626) | 7.7809e-05 | TDB |
| period | 1597.559222600876
4.37 | 1.3469e-05
3.688e-08 | d
yr |
| n | .2253437587208247 | 1.8999e-09 | deg/d |
| Q | 3.183012300718358 | 1.7891e-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 |
15.25 |
|
n/a |
E2021B55 |
|
|
| 103220 Kwongchuikuen | Discovered 1999 Dec. 28 by W. K. Y. Yeung at Rock Finder Observatory. |
| Kwong Chui Kuen (b. 1960), a producer of documentaries for television, is the wife of the discoverer. This is the chronologically earliest minor planet credited to the discoverer. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20080618/MPCPages.arc | Last Updated: 2008-06-20 |
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