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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1087323142798341 | 5.2352e-08 | |
| a | 2.563919528314255 | 2.6733e-08 | au |
| q | 2.285138624373386 | 1.4471e-07 | au |
| i | 14.41547627644766 | 7.8102e-06 | deg |
| node | 297.8836545830519 | 1.7801e-05 | deg |
| peri | 309.2583295201263 | 6.77e-05 | deg |
| M | 273.0132987110615 | 7.6318e-05 | deg |
| tp | 2459362.830900414335
(2021-May-28.33090041) | 0.00032228 | TDB |
| period | 1499.529493777317
4.11 | 2.3452e-05
6.421e-08 | d
yr |
| n | .2400753046164897 | 3.7547e-09 | deg/d |
| Q | 2.842700432255125 | 2.9639e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.6 |
|
n/a |
MPO359749 |
|
|
| 146421 (2001 QP220) Discovered 2001-Aug-24 by LONEOS at Anderson Mesa |
| Reference: 20070106/Numbers.arc | Last Updated: 2007-01-09 |
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