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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 15 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1537780521421816 | 5.6518e-08 | |
| a | 3.090959688963591 | 3.2361e-08 | au |
| q | 2.615637928744766 | 1.805e-07 | au |
| i | 4.024880611625729 | 5.2268e-06 | deg |
| node | 251.7919078807086 | 0.00011779 | deg |
| peri | 157.845443818572 | 0.00012111 | deg |
| M | 166.6500867489262 | 3.0051e-05 | deg |
| tp | 2458281.656638472305
(2018-Jun-12.15663847) | 0.0001579 | TDB |
| period | 1984.899117684388
5.43 | 3.1171e-05
8.534e-08 | d
yr |
| n | .1813694191269435 | 2.8483e-09 | deg/d |
| Q | 3.566281449182416 | 3.7337e-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 |
15.65 |
|
n/a |
E2021B55 |
|
|
| 173783 (2001 SL77) Discovered 2001-Sep-17 by LINEAR at Socorro |
| Reference: 20080122/Numbers.arc | Last Updated: 2008-01-28 |
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