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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0646704222046553 6.0677e-08  
a 2.985754846868904 3.2072e-08 au
q 2.792664820322297 1.8174e-07 au
i 11.05164461405743 7.1692e-06 deg
node 69.45181760018087 3.1171e-05 deg
peri 8.02798746303999 6.2477e-05 deg
M 248.2021225687018 5.6248e-05 deg
tp 2457985.708604800068
(2017-Aug-20.20860480)
0.00029902 JED
period 1884.428421796183
5.16
3.0363e-05
8.313e-08
d
yr
n .1910393601773732 3.0781e-09 deg/d
Q 3.178844873415512 3.4146e-08 au
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      6780 days (18.56 yr)  
   first obs. used      1996-12-18  
   last obs. used      2015-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51522  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:19:08  

Additional Information
 Earth MOID = 1.80746 au 
 Jupiter MOID = 2.08324 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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