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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333547389126666 3.8327e-08  
a 2.545094290449908 7.9482e-09 au
q 2.205693905838842 9.8267e-08 au
i 14.02613650760168 3.3265e-06 deg
node 149.1290340569591 1.8976e-05 deg
peri 310.1560156916987 2.3777e-05 deg
M 6.910320107942813 1.4756e-05 deg
tp 2458572.032462143179
(2019-Mar-29.53246214)
6.0776e-05 TDB
period 1483.044702469859
4.06
6.9472e-06
1.902e-08
d
yr
n .2427438629465833 1.1371e-09 deg/d
Q 2.884494675060974 9.0081e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2456  
   data-arc span      30865 days (84.50 yr)  
   first obs. used      1935-06-06  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42656  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:53:41  

Additional Information
 Earth MOID = 1.24773 au 
 Jupiter MOID = 2.27304 au 
 T_jup = 3.389 
[ 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-January); 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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