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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 18 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .03292331034443054 | 5.6284e-08 | |
| a | 2.761252321893751 | 2.0511e-08 | au |
| q | 2.670342754760764 | 1.6344e-07 | au |
| i | 5.143571267128648 | 6.6312e-06 | deg |
| node | 7.562308875911351 | 5.7098e-05 | deg |
| peri | 306.6159506318894 | 0.00010799 | deg |
| M | 6.233065115082892 | 9.074e-05 | deg |
| tp | 2459171.482717952935
(2020-Nov-17.98271795) | 0.00042243 | TDB |
| period | 1675.936532680429
4.59 | 1.8673e-05
5.112e-08 | d
yr |
| n | .2148052703548562 | 2.3934e-09 | deg/d |
| Q | 2.852161889026739 | 2.1186e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.09 |
|
n/a |
E2020-QM9 |
|
| diameter |
diameter |
4.456 |
km |
0.147 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.107 |
|
0.015 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 78424 (2002 QB42) Discovered 2002-Aug-29 by NEAT at Palomar |
| Reference: 20040415/Numbers.arc | Last Updated: 2004-04-19 |
|
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|
