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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .04008051443294673 | 5.8701e-08 | |
| a | 3.185995179056285 | 2.2365e-08 | au |
| q | 3.058298853298821 | 1.8739e-07 | au |
| i | 15.22805247279082 | 5.982e-06 | deg |
| node | 348.6203399996216 | 1.7018e-05 | deg |
| peri | 29.07432803743844 | 6.2557e-05 | deg |
| M | 226.7525585755251 | 5.9389e-05 | deg |
| tp | 2459769.316111880667
(2022-Jul-08.81611188) | 0.00034424 | TDB |
| period | 2077.141574488815
5.69 | 2.1872e-05
5.988e-08 | d
yr |
| n | .1733151001460245 | 1.825e-09 | deg/d |
| Q | 3.313691504813749 | 2.3262e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.9 |
|
n/a |
MPO435891 |
|
| diameter |
diameter |
9.669 |
km |
0.156 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.043 |
|
0.009 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 20648 (1999 TF166) Discovered 1999-Oct-10 by LINEAR at Socorro |
| Reference: 20010109/Numbers.arc | Last Updated: 2004-04-19 |
|
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