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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 13 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .08190585122262525 | 5.3586e-08 | |
| a | 3.159387155382457 | 3.4467e-08 | au |
| q | 2.900614861079029 | 1.5473e-07 | au |
| i | 14.05000993276866 | 3.3678e-06 | deg |
| node | 308.4504817891953 | 2.9579e-05 | deg |
| peri | 340.2794004516534 | 5.5675e-05 | deg |
| M | 107.5968730607887 | 4.9724e-05 | deg |
| tp | 2458587.444421603047
(2019-Apr-13.94442160) | 0.00028029 | TDB |
| period | 2051.174926786345
5.62 | 3.3566e-05
9.19e-08 | d
yr |
| n | .1755091656487952 | 2.8721e-09 | deg/d |
| Q | 3.418159449685886 | 3.729e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.4 |
|
n/a |
MPO437085 |
|
| diameter |
diameter |
5.466 |
km |
1.753 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.037 |
|
0.019 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 229781 Arthurmcdonald (2008 PS1) Discovered 2008-Aug-03 by Casulli, V. S. at Vallemare Borbona |
| Reference: 20091231/Numbers.arc | Last Updated: 2010-01-04 |
|
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|
