[ hide orbit diagram ]
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 29 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1543078614105856 | 3.5643e-08 | |
| a | 3.211234349841541 | 2.0639e-08 | au |
| q | 2.715715644829281 | 1.1938e-07 | au |
| i | 6.304720513171701 | 3.999e-06 | deg |
| node | 128.2173511008102 | 4.001e-05 | deg |
| peri | 180.4687691393134 | 4.2401e-05 | deg |
| M | 326.1550990068207 | 1.4975e-05 | deg |
| tp | 2459198.104656847717
(2020-Dec-14.60465685) | 8.794e-05 | TDB |
| period | 2101.872789626849
5.75 | 2.0263e-05
5.548e-08 | d
yr |
| n | .1712758268610118 | 1.6512e-09 | deg/d |
| Q | 3.706753054853802 | 2.3823e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.2 |
|
n/a |
MPO435895 |
|
| diameter |
diameter |
12.205 |
km |
1.755 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| geometric albedo |
albedo |
0.068 |
|
0.020 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
|
| 20997 (1986 PL1) Discovered 1986-Aug-01 by Helin, E. F. at Palomar |
| Reference: 20010208/Numbers.arc | Last Updated: 2004-04-19 |
|
[ show close-approach data ]
|
