[ 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 15 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .120656570623158 | 1.0172e-07 | |
| a | 5.252501740466974 | 1.8521e-07 | au |
| q | 4.618752893270059 | 6.6737e-07 | au |
| i | 16.64093337869978 | 7.3206e-06 | deg |
| node | 41.2676817818889 | 2.24e-05 | deg |
| peri | 353.7675587606202 | 3.3142e-05 | deg |
| M | 311.9852647991987 | 2.7026e-05 | deg |
| tp | 2459586.934850676885
(2022-Jan-07.43485068) | 0.00034263 | TDB |
| period | 4396.911601423453
12.04 | 0.00023256
6.367e-07 | d
yr |
| n | .08187565105549401 | 4.3305e-09 | deg/d |
| Q | 5.886250587663887 | 2.0755e-07 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.8 |
|
n/a |
MPO413100 |
|
| diameter |
diameter |
12.648 |
km |
0.721 |
urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G) |
|
| rotation period |
rot_per |
19.9 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Stephens, R.D. (2016) http://www.planetarysciences.org/PHP/CS3_Lightcurves.php] |
| geometric albedo |
albedo |
0.084 |
|
0.017 |
urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G) |
|
|
| 226691 (2004 JA22) Discovered 2004-May-09 by Spacewatch at Kitt Peak |
| Reference: 20091202/Numbers.arc | Last Updated: 2009-12-04 |
|
|
