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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 21 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .119614863594117 | 3.8214e-08 | |
| a | 2.690917206507246 | 1.6744e-08 | au |
| q | 2.36904351190782 | 1.0202e-07 | au |
| i | 14.12205992982805 | 5.8176e-06 | deg |
| node | 56.58392555766888 | 1.7956e-05 | deg |
| peri | 82.16685098793869 | 3.0121e-05 | deg |
| M | 214.0855215014893 | 2.5214e-05 | deg |
| tp | 2459853.998833887392
(2022-Oct-01.49883389) | 0.00011503 | TDB |
| period | 1612.311421185406
4.41 | 1.5048e-05
4.12e-08 | d
yr |
| n | .2232819263510024 | 2.084e-09 | deg/d |
| Q | 3.012790901106673 | 1.8746e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.52 |
|
n/a |
E2021B55 |
|
| diameter |
diameter |
2.268 |
km |
0.648 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.238 |
|
0.158 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 102640 (1999 VO39) Discovered 1999-Nov-10 by LINEAR at Socorro |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
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