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312316 (2008 CG117)
Classification: Main-belt Asteroid          SPK-ID: 2312316
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0821907432108874 5.3507e-08  
a 2.681414209539227 2.8918e-08 au
q 2.461026782800964 1.3549e-07 au
i 10.75490424859159 5.7247e-06 deg
node 84.91672245545524 2.8305e-05 deg
peri 158.8150351811831 4.3608e-05 deg
M 200.0596414078283 3.4346e-05 deg
tp 2459713.024580673317
(2022-May-13.52458067)		 0.00015738 TDB
period 1603.778128924046
4.39		 2.5944e-05
7.103e-08		 d
yr
n .2244699522380439 3.6312e-09 deg/d
Q 2.90180163627749 3.1294e-08 au
   Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      5733 days (15.70 yr)  
   first obs. used      2004-03-15  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6241  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:32:00  

Additional Information
 Earth MOID = 1.4501 au 
 Jupiter MOID = 2.1345 au 
 T_jup = 3.346 
[ 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 15.9   n/a MPO455302  

312316 (2008 CG117)          Discovered 2008-Feb-09 by Dellinger, J., Eastman, M. at Needville
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2008 CG117 = 2004 EU94 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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