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312305 (2008 CM54)
Classification: Main-belt Asteroid          SPK-ID: 2312305
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008056929538362 9.7832e-08  
a 2.566548732291514 6.162e-08 au
q 2.051171135603927 2.5133e-07 au
i 5.744268763435013 1.0567e-05 deg
node 181.2752444795609 0.00010726 deg
peri 57.97427382562408 0.00011551 deg
M 277.4369545265852 7.21e-05 deg
tp 2459344.933910641914
(2021-May-10.43391064)
0.00031085 TDB
period 1501.836652464759
4.11
5.4086e-05
1.481e-07
d
yr
n .2397064949834466 8.6327e-09 deg/d
Q 3.081926328979101 7.3994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      5355 days (14.66 yr)  
   first obs. used      2004-02-19  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .7194  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:40:37  

Additional Information
 Earth MOID = 1.04631 au 
 Jupiter MOID = 1.94027 au 
 T_jup = 3.396 
[ 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 16.8   n/a MPO471270  

312305 (2008 CM54)          Discovered 2008-Feb-07 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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