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312318 (2008 CJ120)
Classification: Main-belt Asteroid          SPK-ID: 2312318
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678238946590428 5.5877e-08  
a 2.780046457435938 2.8572e-08 au
q 2.313488233615964 1.5015e-07 au
i 12.16035377795764 6.4513e-06 deg
node 102.7870107097433 2.5432e-05 deg
peri 91.25470264405331 3.1667e-05 deg
M 197.7788509216148 2.0448e-05 deg
tp 2459763.424355875570
(2022-Jul-02.92435588)
0.00010078 TDB
period 1693.076209085987
4.64
2.6101e-05
7.146e-08
d
yr
n .2126307121132765 3.278e-09 deg/d
Q 3.246604681255912 3.3367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6133 days (16.79 yr)  
   first obs. used      2003-01-08  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55753  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:10:11  

Additional Information
 Earth MOID = 1.35146 au 
 Jupiter MOID = 1.86913 au 
 T_jup = 3.280 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO450243  

312318 (2008 CJ120)          Discovered 2008-Feb-06 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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