[ hide orbit diagram ]
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .08172890194027897 | 5.3607e-08 | |
| a | 3.160130885402988 | 3.4473e-08 | au |
| q | 2.901856858151441 | 1.5482e-07 | au |
| i | 14.04989649331168 | 3.3679e-06 | deg |
| node | 308.4512744139112 | 2.9575e-05 | deg |
| peri | 340.4017524519945 | 5.5751e-05 | deg |
| M | 141.8705525723823 | 4.9988e-05 | deg |
| tp | 2458587.877554667310
(2019-Apr-14.37755467) | 0.00028087 | TDB |
| period | 2051.899249290983
5.62 | 3.3576e-05
9.193e-08 | d
yr |
| n | .1754472107362947 | 2.8709e-09 | deg/d |
| Q | 3.418404912654536 | 3.7291e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.51 |
|
n/a |
MPCxxxxx |
|
| 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 |
|
[ show close-approach data ]
|
