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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 33 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .3346384274839552 | 3.1924e-08 | |
a | 2.394268543435175 | 6.724e-09 | au |
q | 1.593054283085728 | 7.7293e-08 | au |
i | 3.088822727680132 | 3.6809e-06 | deg |
node | 194.01576509 | 6.6207e-05 | deg |
peri | 121.6181930320914 | 6.6348e-05 | deg |
M | 223.5297534018791 | 5.9515e-06 | deg |
tp | 2459713.471446809281 (2022-May-13.97144681) | 2.3687e-05 | TDB |
period | 1353.186686876581 3.70 | 5.7004e-06 1.561e-08 | d yr |
n | .266038680022008 | 1.1207e-09 | deg/d |
Q | 3.195482803784622 | 8.9742e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
14.02 |
|
n/a |
E2021B10 |
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diameter |
diameter |
3.883 |
km |
0.833 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N) |
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rotation period |
rot_per |
59.50 |
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: [Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm] |
geometric albedo |
albedo |
0.337 |
|
0.161 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N) |
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3163 Randi (1981 QM) Discovered 1981-Aug-28 by Kowal, C. at Palomar |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
1981 QM = 1944 RH = 1970 RK |
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