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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08409996687018956 5.7247e-08  
a 2.938177793752742 3.5291e-08 au
q 2.691077138639409 1.7634e-07 au
i 9.857869090261005 6.1725e-06 deg
node 116.6332605839504 4.157e-05 deg
peri 203.381059919129 6.306e-05 deg
M 277.6591854568307 4.6924e-05 deg
tp 2459021.253941595162
(2020-Jun-20.75394160)
0.00024127 TDB
period 1839.566681658772
5.04
3.3143e-05
9.074e-08
d
yr
n .1956982606770097 3.5258e-09 deg/d
Q 3.185278448866074 3.8259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      7351 days (20.13 yr)  
   first obs. used      1999-06-09  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60495  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:44  

Additional Information
 Earth MOID = 1.67968 au 
 Jupiter MOID = 2.06978 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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