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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1331498193735366 | 3.3843e-08 | |
a | 2.544473516436881 | 7.2739e-09 | au |
q | 2.205677327322563 | 8.5384e-08 | au |
i | 14.02751155408006 | 3.0289e-06 | deg |
node | 149.1290686606635 | 1.7934e-05 | deg |
peri | 310.0785642530098 | 2.2928e-05 | deg |
M | 104.1148111204114 | 1.4789e-05 | deg |
tp | 2458571.748804354636 (2019-Mar-29.24880435) | 6.0763e-05 | TDB |
period | 1482.502141350674 4.06 | 6.3571e-06 1.74e-08 | d yr |
n | .2428327015244727 | 1.0413e-09 | deg/d |
Q | 2.883269705551199 | 8.2425e-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 |
11.7 |
|
n/a |
MPO467623 |
|
diameter |
diameter |
17.869 |
km |
0.180 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
rotation period |
rot_per |
21.15 |
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: [Bembrick, C.; Crawford, G.; Oey, J.; Allen, B. (2007) Minor Planet Bull. 34, 67-68.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
geometric albedo |
albedo |
0.127 |
|
0.012 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
SMASSII spectral type |
spec_B |
Xk |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
|
1094 Siberia (1926 CB) Discovered 1926-Feb-12 by Belyavskij, S. at Simeis |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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