| (2011 WN15) |
| Classification: Apollo [NEO, PHA] SPK-ID: 3588786 |
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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .8579836884441908 | 1.215e-07 | |
| a | 1.216806241301989 | 3.2496e-09 | au |
| q | .1728063342677963 | 1.479e-07 | au |
| i | 33.45027039701444 | 3.3176e-05 | deg |
| node | 75.58223125732307 | 5.633e-06 | deg |
| peri | 218.5418991491821 | 1.4978e-05 | deg |
| M | 154.5562403543191 | 5.6191e-06 | deg |
| tp | 2458790.018168598298
(2019-Nov-02.51816860) | 7.7609e-06 | TDB |
| period | 490.2646384960107
1.34 | 1.9639e-06
5.377e-09 | d
yr |
| n | .7342972993205779 | 2.9415e-09 | deg/d |
| Q | 2.260806148336181 | 6.0377e-09 | au |
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Additional Model Parameters
| Parameter | Value | Uncertainty (1-sigma) |
| A2 [EST] | 2.043771805618872E-14 | 8.575E-15 |
| ALN [SET] | 1. | n/a |
| NK [SET] | 0. | n/a |
| NM [SET] | 2. | n/a |
| R0 [SET] | 1. | n/a |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
19.7 |
|
n/a |
E2020A42 |
|
| rotation period |
rot_per |
1.948 |
h |
n/a |
LCDB (Rev. 2019-August); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2016) Minor Planet Bull. 43, 143-154.] |
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