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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 20 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2276612377355354 | 4.6651e-08 | |
| a | 2.301136800236064 | 8.1657e-09 | au |
| q | 1.777257148095532 | 1.0753e-07 | au |
| i | 5.094529681328259 | 3.8106e-06 | deg |
| node | 257.60551656 | 6.4257e-05 | deg |
| peri | 121.1111511831029 | 6.5257e-05 | deg |
| M | 104.6781311911112 | 1.1476e-05 | deg |
| tp | 2458829.763331119077
(2019-Dec-12.26333112) | 4.0424e-05 | TDB |
| period | 1275.005574502133
3.49 | 6.7866e-06
1.858e-08 | d
yr |
| n | .2823517066900462 | 1.5029e-09 | deg/d |
| Q | 2.825016452376595 | 1.0025e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.86 |
|
n/a |
E2021B55 |
|
|
| 100955 (1998 QJ9) Discovered 1998-Aug-17 by LINEAR at Socorro |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
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