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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0649990316000482 6.6268e-08  
a 2.984916200291454 3.3732e-08 AU
q 2.790899537865214 1.946e-07 AU
i 11.05377694434847 7.6643e-06 deg
node 69.45968569323028 3.4455e-05 deg
peri 8.033835562420633 7.0252e-05 deg
M 171.7737603895528 6.0828e-05 deg
tp 2456101.725041151945
(2012-Jun-23.22504115)
0.00031457 JED
period 1883.634522825401
5.16
3.193e-05
8.742e-08
d
yr
n .1911198778943644 3.2397e-09 deg/d
Q 3.178932862717694 3.5924e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      6403 days (17.53 yr)  
   first obs. used      1996-12-18  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51959  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:50:14  

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 (327)
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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