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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 18 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1704696764750992 | 5.3197e-08 | |
| a | 3.935708409459946 | 3.9115e-08 | au |
| q | 3.264789470198982 | 2.2011e-07 | au |
| i | 5.002810935954344 | 5.7625e-06 | deg |
| node | 35.31087229975271 | 5.0273e-05 | deg |
| peri | 327.8994983779148 | 5.1949e-05 | deg |
| M | 283.5729890414464 | 1.4992e-05 | deg |
| tp | 2459805.948451795255
(2022-Aug-14.44845180) | 0.00012476 | TDB |
| period | 2851.890187940126
7.81 | 4.2515e-05
1.164e-07 | d
yr |
| n | .1262320693560863 | 1.8818e-09 | deg/d |
| Q | 4.606627348720911 | 4.5783e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.14 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
9.118 |
km |
1.070 |
urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G) |
|
| geometric albedo |
albedo |
0.053 |
|
0.017 |
urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G) |
|
|
| 58188 (1991 TA9) Discovered 1991-Oct-01 by Spacewatch at Kitt Peak |
| Reference: 20030614/Numbers.arc | Last Updated: 2004-04-19 |
|
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