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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 | .1581070694688264 | 5.4454e-08 | |
| a | 3.965458568937838 | 6.8887e-08 | au |
| q | 3.33849153550303 | 2.4299e-07 | au |
| i | 9.570782375071538 | 7.5558e-06 | deg |
| node | 150.5996018365109 | 3.7212e-05 | deg |
| peri | 272.1617555297258 | 4.5588e-05 | deg |
| M | 12.50992551127697 | 2.4294e-05 | deg |
| tp | 2459100.271605211423
(2020-Sep-07.77160521) | 0.00019429 | TDB |
| period | 2884.287527640477
7.90 | 7.5157e-05
2.058e-07 | d
yr |
| n | .1248141860165037 | 3.2523e-09 | deg/d |
| Q | 4.592425602372646 | 7.9778e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.6 |
|
n/a |
MPO455183 |
|
| diameter |
diameter |
7.546 |
km |
0.814 |
urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G) |
|
| geometric albedo |
albedo |
0.045 |
|
0.012 |
urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G) |
|
|
| 295396 (2008 JW7) Discovered 2008-May-05 by Mt. Lemmon Survey at Mount Lemmon |
| Reference: 20110912/Numbers.arc | Last Updated: 2011-09-14 |
|
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