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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1338556663260649 | 4.603e-08 | |
| a | 2.609184453169372 | 1.5075e-08 | au |
| q | 2.259930329622776 | 1.1676e-07 | au |
| i | 11.56272956278064 | 6.1082e-06 | deg |
| node | 187.4284771854442 | 1.7031e-05 | deg |
| peri | 52.4768284892486 | 3.189e-05 | deg |
| M | 103.2570816823414 | 2.3669e-05 | deg |
| tp | 2458758.957059193010
(2019-Oct-02.45705919) | 0.00010088 | TDB |
| period | 1539.414596080924
4.21 | 1.3342e-05
3.653e-08 | d
yr |
| n | .233855129681436 | 2.0267e-09 | deg/d |
| Q | 2.958438576715968 | 1.7093e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.94 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
4.012 |
km |
0.177 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.063 |
|
0.013 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 85612 (1998 HL23) Discovered 1998-Apr-20 by LINEAR at Socorro |
| Reference: 20040830/Numbers.arc | Last Updated: 2004-09-06 |
|
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