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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 21 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1681778716652981 | 4.9145e-08 | |
| a | 2.719518997486679 | 1.8344e-08 | au |
| q | 2.262156080536024 | 1.4229e-07 | au |
| i | 3.120803259344634 | 4.5952e-06 | deg |
| node | 75.5262442602348 | 8.9696e-05 | deg |
| peri | 258.2814803888226 | 9.0903e-05 | deg |
| M | 298.8194889020048 | 1.4206e-05 | deg |
| tp | 2459278.885859890979
(2021-Mar-05.38585989) | 6.5221e-05 | TDB |
| period | 1638.085523676455
4.48 | 1.6574e-05
4.538e-08 | d
yr |
| n | .2197687451580856 | 2.2236e-09 | deg/d |
| Q | 3.176881914437334 | 2.1429e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.3 |
|
n/a |
MPO474680 |
|
| diameter |
diameter |
5.615 |
km |
0.287 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.051 |
|
0.010 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 78956 (2003 ST223) Discovered 2003-Sep-27 by Yeung, W. K. Y. at Desert Eagle |
| Reference: 20040415/Numbers.arc | Last Updated: 2004-04-19 |
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