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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 11 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .08202851363374911 | 5.3817e-08 | |
| a | 3.15885006111047 | 3.4573e-08 | au |
| q | 2.899734285805701 | 1.5576e-07 | au |
| i | 14.05003905088299 | 3.6702e-06 | deg |
| node | 308.4507049916139 | 3.0195e-05 | deg |
| peri | 340.160308898752 | 5.6176e-05 | deg |
| M | 72.59713063700677 | 4.9663e-05 | deg |
| tp | 2458586.968211273078
(2019-Apr-13.46821127) | 0.00028092 | TDB |
| period | 2050.651900914163
5.61 | 3.3666e-05
9.217e-08 | d
yr |
| n | .1755539298695771 | 2.8821e-09 | deg/d |
| Q | 3.417965836415239 | 3.7409e-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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|
