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JPL Small-Body Database Browser
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442913 (2013 CA31)
Classification: Main-belt Asteroid          SPK-ID: 2442913
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08803937146507353 9.1611e-08  
a 3.16150431052308 5.58e-08 au
q 2.883167458140508 2.9609e-07 au
i 8.8614102172656 1.0633e-05 deg
node 344.3672201527854 5.6924e-05 deg
peri 329.3742690805853 8.0547e-05 deg
M 226.4423511783809 6.174e-05 deg
tp 2459362.237539144742
(2021-May-27.73753914)
0.00036115 TDB
period 2053.237059139647
5.62
5.4359e-05
1.488e-07
d
yr
n .1753328961200652 4.6419e-09 deg/d
Q 3.439841162905653 6.0713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      7113 days (19.47 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62338  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:01:25  

Additional Information
 Earth MOID = 1.87325 au 
 Jupiter MOID = 1.88409 au 
 T_jup = 3.180 
[ 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 16.0   n/a MPO392195  
diameter diameter 2.738 km 0.516 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.031   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

442913 (2013 CA31)          Discovered 2008-Mar-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2013 CA31 = 2010 MJ22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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