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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 | .1671082133498876 | 3.6513e-08 | |
| a | 2.348359858137081 | 1.0491e-08 | au |
| q | 1.955929637941198 | 8.7368e-08 | au |
| i | 3.739508790945751 | 3.9685e-06 | deg |
| node | 58.37253638103253 | 6.8268e-05 | deg |
| peri | 353.3243334428083 | 6.9793e-05 | deg |
| M | 292.545240205079 | 1.4477e-05 | deg |
| tp | 2459446.794945003166
(2021-Aug-20.29494500) | 5.3411e-05 | TDB |
| period | 1314.45402030497
3.60 | 8.8083e-06
2.412e-08 | d
yr |
| n | .2738779709589808 | 1.8353e-09 | deg/d |
| Q | 2.740790078332964 | 1.2244e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.29 |
|
n/a |
E2021B55 |
|
| diameter |
diameter |
2.711 |
km |
0.096 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| geometric albedo |
albedo |
0.087 |
|
0.011 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
|
| 102266 (1999 TD40) Discovered 1999-Oct-05 by CSS at Catalina |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
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