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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008056830314227 9.6187e-08  
a 2.566548729276099 5.7708e-08 au
q 2.051171158660382 2.4801e-07 au
i 5.744263747945361 1.0329e-05 deg
node 181.2752942743117 0.00010547 deg
peri 57.97422921954124 0.0001137 deg
M 277.4369543422185 7.0056e-05 deg
tp 2459344.933910804040
(2021-May-10.43391080)
0.00030156 TDB
period 1501.836649818017
4.11
5.0652e-05
1.387e-07
d
yr
n .2397064954058902 8.0845e-09 deg/d
Q 3.081926299891816 6.9296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      5783 days (15.83 yr)  
   first obs. used      2004-02-19  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:47:56  

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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