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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 34 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .214240426523475 | 5.1692e-08 | |
| a | 2.786516762092416 | 1.8658e-08 | au |
| q | 2.189532222466924 | 1.4493e-07 | au |
| i | 18.86885620286616 | 5.1209e-06 | deg |
| node | 243.5725127797966 | 1.8284e-05 | deg |
| peri | 99.10270605394292 | 2.2603e-05 | deg |
| M | 231.723513218134 | 1.8123e-05 | deg |
| tp | 2459805.890320673688
(2022-Aug-14.39032067) | 8.9325e-05 | TDB |
| period | 1698.990367682389
4.65 | 1.7064e-05
4.672e-08 | d
yr |
| n | .2118905479676614 | 2.1282e-09 | deg/d |
| Q | 3.383501301717908 | 2.2656e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.71 |
|
n/a |
MPCxxxxx |
|
| diameter |
diameter |
8.821 |
km |
0.206 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
7.15135 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
| geometric albedo |
albedo |
0.069 |
|
0.021 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 21653 Davidwang | Discovered 1999 July 22 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. |
| David Jueyu Wang (b. 1989) was awarded first place in the 2006 Intel International Science and Engineering Fair for his botany project. He attends the A.B. Lucas Secondary School, London, Ontario, Canada. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20060711/MPCPages.arc | Last Updated: 2006-07-17 |
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