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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1277995153789388 | 4.8482e-08 | |
| a | 3.076128067539663 | 1.8356e-08 | au |
| q | 2.683000391264542 | 1.5544e-07 | au |
| i | 8.843048046611676 | 5.6589e-06 | deg |
| node | 29.44312270070622 | 2.7534e-05 | deg |
| peri | 294.4520702307033 | 3.3961e-05 | deg |
| M | 341.5733501703307 | 1.9091e-05 | deg |
| tp | 2459101.366958957649
(2020-Sep-08.86695896) | 0.00010455 | TDB |
| period | 1970.629797625317
5.40 | 1.7639e-05
4.829e-08 | d
yr |
| n | .1826827141423587 | 1.6352e-09 | deg/d |
| Q | 3.469255743814783 | 2.0702e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.5 |
|
n/a |
MPO358827 |
|
| diameter |
diameter |
9.153 |
km |
0.163 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
26.006 |
h |
n/a |
LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
| geometric albedo |
albedo |
0.072 |
|
0.014 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 20606 Widemann | Discovered 1999 Sept. 5 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station. |
| Thomas Widemann (b. 1961) is a planetary scientist at Paris Observatory and an associate professor at Versailles University. He is an expert in the field of stellar occultations and groundbased spectroscopy of planetary atmospheres. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20080718/MPCPages.arc | Last Updated: 2008-07-18 |
|
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