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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 22 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1127498464964509 | 3.7199e-08 | |
| a | 3.001839940499015 | 2.0767e-08 | au |
| q | 2.663382948000836 | 1.0893e-07 | au |
| i | 14.2127175604529 | 4.827e-06 | deg |
| node | 177.482956299267 | 1.8205e-05 | deg |
| peri | 297.2251354579233 | 2.9574e-05 | deg |
| M | 168.0878024354263 | 2.4975e-05 | deg |
| tp | 2458113.520825668526
(2017-Dec-26.02082567) | 0.00012894 | TDB |
| period | 1899.676824450126
5.20 | 1.9713e-05
5.397e-08 | d
yr |
| n | .1895059177258765 | 1.9666e-09 | deg/d |
| Q | 3.340296932997195 | 2.3109e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.5 |
|
n/a |
MPO474185 |
|
| diameter |
diameter |
6.296 |
km |
0.423 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.077 |
|
0.016 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 33240 (1998 HC3) Discovered 1998-Apr-20 by Klet at Klet |
| Reference: 20020128/Numbers.arc | Last Updated: 2004-04-19 |
|
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