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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 18 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1793643651307307 | 4.2824e-08 | |
| a | 3.129684050203175 | 2.492e-08 | au |
| q | 2.568330257478709 | 1.4291e-07 | au |
| i | 17.88882429155318 | 4.2425e-06 | deg |
| node | 157.0552090530198 | 1.8879e-05 | deg |
| peri | 189.1344581095236 | 2.4895e-05 | deg |
| M | 278.3292184590435 | 1.8793e-05 | deg |
| tp | 2459459.289407670513
(2021-Sep-01.78940767) | 0.00010831 | TDB |
| period | 2022.316716518226
5.54 | 2.4154e-05
6.613e-08 | d
yr |
| n | .1780136598088371 | 2.1261e-09 | deg/d |
| Q | 3.691037842927641 | 2.939e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.3 |
|
n/a |
MPO436378 |
|
| diameter |
diameter |
4.191 |
km |
0.341 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.192 |
|
0.044 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 86190 (1999 RQ247) Discovered 1999-Sep-05 by LONEOS at Anderson Mesa |
| Reference: 20040830/Numbers.arc | Last Updated: 2004-09-06 |
|
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