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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 24 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2409451447679748 | 3.3451e-08 | |
| a | 2.259989816233622 | 8.3932e-09 | au |
| q | 1.715456242787063 | 7.7289e-08 | au |
| i | 5.701149351512369 | 3.5649e-06 | deg |
| node | 109.6158709984065 | 4.4329e-05 | deg |
| peri | 187.0543317428724 | 4.5392e-05 | deg |
| M | 230.499842091435 | 9.5315e-06 | deg |
| tp | 2459646.901810516123
(2022-Mar-08.40181052) | 3.3186e-05 | TDB |
| period | 1240.961048860432
3.40 | 6.913e-06
1.893e-08 | d
yr |
| n | .2900977434630894 | 1.6161e-09 | deg/d |
| Q | 2.804523389680181 | 1.0415e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.63 |
|
n/a |
E2021B10 |
|
|
| 26423 (1999 XN140) Discovered 1999-Dec-02 by Spacewatch at Kitt Peak |
| Reference: 20010705/Numbers.arc | Last Updated: 2004-04-19 |
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