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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.


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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456822.5 (2014-Jun-14.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328560200888125 3.3755e-08  
q 2.206660830626312 8.5071e-08 au
tp 2457091.001853584017
(2015-Mar-09.50185358)
6.0998e-05 TDB
node 149.1489535172455 1.7929e-05 deg
peri 310.6287857800111 2.2959e-05 deg
i 14.02828559999646 3.0288e-06 deg
  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
 Jupiter MOID = 2.27298 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.139397530842341E-15 -2.863805342511565E-15 -8.769169945314316E-13 -1.361062489551662E-14 -2.234941042098773E-13 -1.745353985619438E-15
q -2.863805342511565E-15 7.237074872750505E-15 2.204220463455341E-12 3.353385522513061E-14 5.59607291787332E-13 4.519185691397744E-15
tp -8.769169945314316E-13 2.204220463455341E-12 3.720796214339503E-9 3.12715920183601E-11 9.012639861869665E-10 -2.234459534522334E-13
node -1.361062489551662E-14 3.353385522513061E-14 3.12715920183601E-11 3.214373550376195E-10 -3.038569185654621E-10 8.194820494473642E-12
peri -2.234941042098773E-13 5.59607291787332E-13 9.012639861869665E-10 -3.038569185654621E-10 5.271307004951073E-10 -7.987781145903651E-12
i -1.745353985619438E-15 4.519185691397744E-15 -2.234459534522334E-13 8.194820494473642E-12 -7.987781145903651E-12 9.173744829233048E-12

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. 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.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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