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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 16 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2274102606723057 | 6.4432e-08 | |
| a | 2.616165247227387 | 2.7217e-08 | au |
| q | 2.02122242639358 | 1.6512e-07 | au |
| i | 15.16910112520643 | 7.1633e-06 | deg |
| node | 96.94435071140322 | 2.775e-05 | deg |
| peri | 166.0866789078971 | 3.3335e-05 | deg |
| M | 153.3565256103412 | 2.2357e-05 | deg |
| tp | 2458542.090717261019
(2019-Feb-27.59071726) | 9.1441e-05 | TDB |
| period | 1545.596712253959
4.23 | 2.4119e-05
6.603e-08 | d
yr |
| n | .2329197501170978 | 3.6348e-09 | deg/d |
| Q | 3.211108068061193 | 3.3407e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.4 |
|
n/a |
MPO437604 |
|
| diameter |
diameter |
1.380 |
km |
0.261 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.233 |
|
0.119 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 392013 (2009 AL9) Discovered 2009-Jan-02 by Mt. Lemmon Survey at Mount Lemmon |
| Reference: | Last Updated: 2014-04-17 |
|
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