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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1485649585975001 | 5.6871e-08 | |
| a | 3.036051510683639 | 2.4687e-08 | au |
| q | 2.585000643699046 | 1.7682e-07 | au |
| i | 8.205206621501324 | 5.6007e-06 | deg |
| node | 295.4066688008045 | 3.999e-05 | deg |
| peri | 39.03100668731685 | 4.316e-05 | deg |
| M | 310.5811003399501 | 1.8707e-05 | deg |
| tp | 2459465.748356081562
(2021-Sep-08.24835608) | 0.00010196 | TDB |
| period | 1932.244725119925
5.29 | 2.3568e-05
6.453e-08 | d
yr |
| n | .1863118037378296 | 2.2724e-09 | deg/d |
| Q | 3.487102377668232 | 2.8355e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
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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