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1094 Siberia (1926 CB)
Classification: Main-belt Asteroid          SPK-ID: 2001094
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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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
  Orbit Determination Parameters
   # obs. used (total)      3015  
   data-arc span      31147 days (85.28 yr)  
   first obs. used      1935-06-06  
   last obs. used      2020-09-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39045  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:22:34  

Additional Information
 Earth MOID = 1.24756 au 
 Jupiter MOID = 2.27298 au 
 T_jup = 3.390 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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. 2019-August); 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.]
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.DBLast Updated: 2003-08-29

Alternate Designations
 1926 CB = A918 EJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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