[ 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.
[ revert to old Java-based viewer ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1555063198817696 | 4.3013e-08 | |
| a | 2.572372070221348 | 1.0381e-08 | au |
| q | 2.172351956214577 | 1.0998e-07 | au |
| i | 4.725540514006847 | 4.4185e-06 | deg |
| node | 79.3326311851648 | 4.9498e-05 | deg |
| peri | 326.1125267470638 | 5.1323e-05 | deg |
| M | 323.3998087878394 | 1.191e-05 | deg |
| tp | 2459153.707476291060
(2020-Oct-31.20747629) | 4.965e-05 | TDB |
| period | 1506.950910312625
4.13 | 9.122e-06
2.497e-08 | d
yr |
| n | .2388929841950299 | 1.4461e-09 | deg/d |
| Q | 2.972392184228118 | 1.1995e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.0 |
|
n/a |
MPO452385 |
|
| diameter |
diameter |
3.781 |
km |
0.366 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.409 |
|
0.033 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 15233 (1987 WU4) Discovered 1987-Nov-26 by Mrkos, A. at Klet |
| Reference: 20000621/Numbers.arc | Last Updated: 2004-04-19 |
|
[ show close-approach data ]
Alternate Designations
| 1987 WU4 = 1998 KE64 = 1999 RX172 |
|
|
