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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 36 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1075690991177692 | 1.6907e-08 | |
a | 2.395924915507895 | 6.8241e-09 | au |
q | 2.138197430792894 | 3.9902e-08 | au |
i | 6.945107587340299 | 4.6788e-07 | deg |
node | 44.58658136401169 | 6.4289e-06 | deg |
peri | 342.3284890143643 | 1.1356e-05 | deg |
M | 290.4471929933785 | 1.1534e-05 | deg |
tp | 2459462.210045979210 (2021-Sep-04.71004598) | 4.4e-05 | TDB |
period | 1354.591146027308 3.71 | 5.7872e-06 1.584e-08 | d yr |
n | .2657628473770805 | 1.1354e-09 | deg/d |
Q | 2.653652400222897 | 7.5582e-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 |
12.92 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
8.500 |
km |
0.126 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
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rotation period |
rot_per |
6.385 |
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: [Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] |
geometric albedo |
albedo |
0.203 |
|
0.023 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
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1781 Van Biesbroeck (A906 UB) Discovered 1906-Oct-17 by Kopff, A. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
A906 UB = 1954 SZ = 1958 VP = 1969 TM2 |
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