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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 33 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1216514510025541 | 3.2563e-08 | |
| a | 2.166104633282553 | 6.3032e-09 | au |
| q | 1.902594861620375 | 7.2173e-08 | au |
| i | 2.890960432907503 | 2.9541e-06 | deg |
| node | 82.10212011417541 | 6.8805e-05 | deg |
| peri | 167.6765896457548 | 7.031e-05 | deg |
| M | 298.3897768315954 | 1.5895e-05 | deg |
| tp | 2459199.781899899181
(2020-Dec-16.28189990) | 5.1767e-05 | TDB |
| period | 1164.44122865142
3.19 | 5.0827e-06
1.392e-08 | d
yr |
| n | .3091611591397605 | 1.3495e-09 | deg/d |
| Q | 2.429614404944731 | 7.07e-09 | 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 |
MPO502467 |
|
| diameter |
diameter |
2.177 |
km |
0.496 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.258 |
|
0.238 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 46778 (1998 HR51) Discovered 1998-Apr-30 by LONEOS at Anderson Mesa |
| Reference: 20020921/Numbers.arc | Last Updated: 2004-04-19 |
|
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