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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 12 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2382049692821101 | 1.2504e-07 | |
| a | 2.588518252097458 | 3.2358e-08 | au |
| q | 1.971920341370402 | 3.3625e-07 | au |
| i | 4.044142997585755 | 6.9738e-06 | deg |
| node | 246.2245881221531 | 0.00020895 | deg |
| peri | 54.94804076500147 | 0.00021098 | deg |
| M | 63.61748701068709 | 2.28e-05 | deg |
| tp | 2458731.687609288656
(2019-Sep-05.18760929) | 9.5909e-05 | TDB |
| period | 1521.161322197891
4.16 | 2.8523e-05
7.809e-08 | d
yr |
| n | .236661289467868 | 4.4376e-09 | deg/d |
| Q | 3.205116162824515 | 4.0065e-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 |
17.3 |
|
n/a |
MPO434642 |
|
|
| 442270 (2011 QK54) Discovered 2007-Oct-11 by Mt. Lemmon Survey at Mount Lemmon |
| Reference: | Last Updated: 2015-09-02 |
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