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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 25 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1270685171665161 | 4.8372e-08 | |
a | 3.073592587019712 | 1.6946e-08 | au |
q | 2.683035734613121 | 1.5487e-07 | au |
i | 8.845185274729424 | 5.0514e-06 | deg |
node | 29.40433181017248 | 2.7292e-05 | deg |
peri | 294.4084462632485 | 3.312e-05 | deg |
M | 18.19476130471049 | 1.6972e-05 | deg |
tp | 2459101.025505994760 (2020-Sep-08.52550599) | 9.2895e-05 | TDB |
period | 1968.193879664422 5.39 | 1.6277e-05 4.456e-08 | d yr |
n | .1829088098075887 | 1.5127e-09 | deg/d |
Q | 3.464149439426303 | 1.9099e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
13.56 |
|
n/a |
E2021B10 |
|
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. 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: [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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