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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 23 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .09295578642188138 | 5.9463e-08 | |
| a | 3.015672203542881 | 2.1971e-08 | au |
| q | 2.735348022271944 | 1.7425e-07 | au |
| i | 9.538440052761189 | 6.1841e-06 | deg |
| node | 7.136984830105852 | 2.7993e-05 | deg |
| peri | 28.7619019157065 | 4.2527e-05 | deg |
| M | 116.6112453034127 | 2.9836e-05 | deg |
| tp | 2458380.898359696171
(2018-Sep-19.39835970) | 0.00015857 | TDB |
| period | 1912.822300533741
5.24 | 2.0904e-05
5.723e-08 | d
yr |
| n | .1882035774570111 | 2.0568e-09 | deg/d |
| Q | 3.295996384813817 | 2.4013e-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 |
MPO417370 |
|
| diameter |
diameter |
5.345 |
km |
1.882 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.129 |
|
0.085 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 78998 (2504 P-L) Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar |
| Reference: 20040415/Numbers.arc | Last Updated: 2004-04-19 |
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