[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .04328707791713333 | 6.0832e-08 | |
| a | 5.286919662727581 | 1.3101e-07 | au |
| q | 5.058064359345468 | 3.7906e-07 | au |
| i | 13.29190857861984 | 4.9811e-06 | deg |
| node | 125.3816350314804 | 3.1035e-05 | deg |
| peri | 216.2418258104564 | 8.6702e-05 | deg |
| M | 249.7618129852908 | 8.5047e-05 | deg |
| tp | 2460560.165428152696
(2024-Sep-06.66542815) | 0.001072 | TDB |
| period | 4440.199602245442
12.16 | 0.00016504
4.519e-07 | d
yr |
| n | .08107743620758519 | 3.0136e-09 | deg/d |
| Q | 5.515774966109694 | 1.3668e-07 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
11.99 |
|
n/a |
E2021B55 |
|
| diameter |
diameter |
21.969 |
km |
1.133 |
urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G) |
|
| geometric albedo |
albedo |
0.076 |
|
0.016 |
urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G) |
|
|
| 117385 (2004 YN20) Discovered 2004-Dec-18 by Mt. Lemmon Survey at Mt. Lemmon |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
|
