[ hide orbit diagram ]
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 20 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .03263885958344948 | 5.2016e-08 | |
a | 1.940634392511606 | 8.3811e-09 | au |
q | 1.877294299071607 | 1.0219e-07 | au |
i | 20.95502202132555 | 5.8404e-06 | deg |
node | 244.4646787520442 | 1.3077e-05 | deg |
peri | 353.0611959400636 | 8.0678e-05 | deg |
M | 6.151391596126355 | 8.2477e-05 | deg |
tp | 2459183.627288264417 (2020-Nov-30.12728826) | 0.00022619 | TDB |
period | 987.4474953984359 2.70 | 6.3968e-06 1.751e-08 | d yr |
n | .3645763462641016 | 2.3618e-09 | deg/d |
Q | 2.003974485951605 | 8.6546e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.13 |
|
n/a |
E2021B55 |
|
|
101861 (1999 LA4) Discovered 1999-Jun-09 by LINEAR at Socorro |
Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
|