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312326 (2008 CJ155)
Classification: Main-belt Asteroid          SPK-ID: 2312326
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08318161552302704 5.4167e-08  
a 2.938258521495801 2.769e-08 au
q 2.693849430853479 1.5955e-07 au
i 9.865600740232299 5.2373e-06 deg
node 116.6031587668759 3.143e-05 deg
peri 202.689019511128 5.3315e-05 deg
M 356.5092463929735 3.9747e-05 deg
tp 2459018.338163001308
(2020-Jun-17.83816300)
0.00020306 TDB
period 1839.642496549952
5.04
2.6005e-05
7.12e-08
d
yr
n .1956901956087341 2.7663e-09 deg/d
Q 3.182667612138122 2.9994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      7800 days (21.36 yr)  
   first obs. used      1999-06-09  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:47:51  

Additional Information
 Earth MOID = 1.68301 au 
 Jupiter MOID = 2.07088 au 
 T_jup = 3.246 
[ 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 16.2   n/a MPO437378  

312326 (2008 CJ155)          Discovered 2008-Feb-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2008 CJ155 = 1999 LK29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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