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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 24 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2720804253140527 | 3.2674e-08 | |
| a | 2.328059423533815 | 7.4948e-09 | au |
| q | 1.694640025422346 | 7.5017e-08 | au |
| i | 10.77455876202622 | 3.6267e-06 | deg |
| node | 139.1111758119635 | 1.6427e-05 | deg |
| peri | 181.3323250202153 | 1.7986e-05 | deg |
| M | 120.9567417246291 | 6.2984e-06 | deg |
| tp | 2458564.569658434600
(2019-Mar-22.06965843) | 2.1828e-05 | TDB |
| period | 1297.446679911591
3.55 | 6.2654e-06
1.715e-08 | d
yr |
| n | .2774680498041975 | 1.3399e-09 | deg/d |
| Q | 2.961478821645283 | 9.534e-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 |
MPO502634 |
|
| diameter |
diameter |
2.382 |
km |
0.559 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N) |
|
| geometric albedo |
albedo |
0.248 |
|
0.109 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N) |
|
|
| 79400 (1997 HQ2) Discovered 1997-Apr-30 by Spacewatch at Kitt Peak |
| Reference: 20040504/Numbers.arc | Last Updated: 2004-07-16 |
|
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