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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2261747939427625 | 4.0614e-08 | |
| a | 2.306526554551467 | 8.839e-09 | au |
| q | 1.784848386352279 | 9.5793e-08 | au |
| i | 3.019825824147747 | 4.2363e-06 | deg |
| node | 198.4778494311578 | 8.5489e-05 | deg |
| peri | 196.7070209332974 | 8.5989e-05 | deg |
| M | 19.0500152869797 | 1.0053e-05 | deg |
| tp | 2458932.793721548311
(2020-Mar-24.29372155) | 3.5603e-05 | TDB |
| period | 1279.487699900562
3.50 | 7.3548e-06
2.014e-08 | d
yr |
| n | .2813626110106241 | 1.6173e-09 | deg/d |
| Q | 2.828204722750655 | 1.0838e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.0 |
|
n/a |
MPO417414 |
|
| diameter |
diameter |
1.537 |
km |
0.463 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.358 |
|
0.175 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 85639 (1998 OU) Discovered 1998-Jul-20 by ODAS at Caussols |
| Reference: 20040830/Numbers.arc | Last Updated: 2004-09-06 |
|
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