[ 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 | .2224337651813022 | 4.9472e-08 | |
| a | 2.584274717604921 | 1.4724e-08 | au |
| q | 2.009444761905212 | 1.2996e-07 | au |
| i | 13.58900387733309 | 5.4427e-06 | deg |
| node | 31.49811064382635 | 2.0992e-05 | deg |
| peri | 298.164486432222 | 2.3312e-05 | deg |
| M | 92.34077449609124 | 1.3219e-05 | deg |
| tp | 2458811.277930777319
(2019-Nov-23.77793078) | 5.3673e-05 | TDB |
| period | 1517.422240443698
4.15 | 1.2968e-05
3.55e-08 | d
yr |
| n | .2372444468025822 | 2.0275e-09 | deg/d |
| Q | 3.15910467330463 | 1.7999e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.88 |
|
n/a |
E2021B55 |
|
| diameter |
diameter |
3.953 |
km |
0.219 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.163 |
|
0.008 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 103116 (1999 XD181) Discovered 1999-Dec-12 by LINEAR at Socorro |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
[ show close-approach data ]
|
