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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1577947490523106 | 6.2714e-08 | |
| a | 3.963972757412602 | 8.4901e-08 | au |
| q | 3.338478670906485 | 2.914e-07 | au |
| i | 9.570799509305029 | 8.9338e-06 | deg |
| node | 150.6044288496665 | 3.912e-05 | deg |
| peri | 272.1723634937614 | 4.9125e-05 | deg |
| M | 347.5289276586021 | 3.0587e-05 | deg |
| tp | 2459100.360955277970
(2020-Sep-07.86095528) | 0.00024632 | TDB |
| period | 2882.666615663259
7.89 | 9.2613e-05
2.536e-07 | d
yr |
| n | .1248843685370705 | 4.0122e-09 | deg/d |
| Q | 4.58946684391872 | 9.8298e-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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