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31233 (1998 CG1)
Classification: Main-belt Asteroid          SPK-ID: 2031233
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06499902307621942 6.4709e-08  
a 2.98491619620123 3.3227e-08 AU
q 2.790899559483765 1.9094e-07 AU
i 11.05377728697423 7.5594e-06 deg
node 69.45968808982619 3.3688e-05 deg
peri 8.033844794228104 6.8008e-05 deg
M 171.7737506481737 5.9244e-05 deg
tp 2456101.725093969323
(2012-Jun-23.22509397)
0.00030554 JED
period 1883.634518953691
5.16
3.1451e-05
8.611e-08
d
yr
n .1911198782872011 3.1912e-09 deg/d
Q 3.178932832918695 3.5386e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      6732 days (18.43 yr)  
   first obs. used      1996-12-18  
   last obs. used      2015-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51656  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:04:09  

Additional Information
 Earth MOID = 1.80604 AU 
 T_jup = 3.227 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO302248  

31233 (1998 CG1)          Discovered 1998-Feb-01 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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