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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 50 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2111043698765062 | 3.0404e-08 | |
a | 3.098141835633951 | 1.1539e-08 | au |
q | 2.444110555634403 | 9.5408e-08 | au |
i | 21.94045919824771 | 3.888e-06 | deg |
node | 129.2318812820539 | 9.0378e-06 | deg |
peri | 261.4925724879257 | 1.2942e-05 | deg |
M | 321.7780369748741 | 1.0665e-05 | deg |
tp | 2459411.975888612787 (2021-Jul-16.47588861) | 5.9403e-05 | TDB |
period | 1991.821295273535 5.45 | 1.1127e-05 3.046e-08 | d yr |
n | .180739105889799 | 1.0097e-09 | deg/d |
Q | 3.752173115633497 | 1.3974e-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 |
10.72 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
36.28 |
km |
1.1 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 6 |
rotation period |
rot_per |
7.932 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm] [Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] |
geometric albedo |
albedo |
0.0643 |
|
0.004 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 6 |
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1312 Vassar (1933 OT) Discovered 1933-Jul-27 by Van Biesbroeck, G. at Williams Bay |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
1933 OT = 1944 QE = 2019 FN5 = A908 CD |
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