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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 29 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1556209121672007 | 4.2769e-08 | |
| a | 2.572659680763162 | 9.7169e-09 | au |
| q | 2.172300034547019 | 1.0965e-07 | au |
| i | 4.725448836940477 | 4.3786e-06 | deg |
| node | 79.33349600560938 | 4.3165e-05 | deg |
| peri | 326.1359338240334 | 4.5204e-05 | deg |
| M | 11.15996129937186 | 1.0932e-05 | deg |
| tp | 2459153.776848875688
(2020-Oct-31.27684888) | 4.5873e-05 | TDB |
| period | 1507.203650043023
4.13 | 8.5391e-06
2.338e-08 | d
yr |
| n | .2388529247455869 | 1.3532e-09 | deg/d |
| Q | 2.973019326979304 | 1.1229e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.01 |
|
n/a |
E2021B10 |
|
| 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 |
|
|
