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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 15 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .148387380756498 | 5.6915e-08 | |
| a | 3.034545799776621 | 2.5092e-08 | au |
| q | 2.584257496762135 | 1.7651e-07 | au |
| i | 8.20539887634318 | 5.6336e-06 | deg |
| node | 295.4061112628573 | 4.0519e-05 | deg |
| peri | 39.2019969712489 | 4.377e-05 | deg |
| M | 273.1255089028216 | 1.8608e-05 | deg |
| tp | 2459466.438658055777
(2021-Sep-08.93865806) | 0.00010247 | TDB |
| period | 1930.807476183623
5.29 | 2.3948e-05
6.557e-08 | d
yr |
| n | .1864504899844107 | 2.3126e-09 | deg/d |
| Q | 3.484834102791106 | 2.8815e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.9 |
|
n/a |
MPO426922 |
|
| diameter |
diameter |
7.457 |
km |
0.285 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.042 |
|
0.010 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 146121 (2000 RR18) Discovered 2000-Sep-01 by LINEAR at Socorro |
| Reference: 20070106/Numbers.arc | Last Updated: 2007-01-09 |
|
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