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442722 (2012 VM31)
Classification: Main-belt Asteroid          SPK-ID: 2442722
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1308123308114953 7.2051e-08  
a 2.431136202475682 3.3151e-08 au
q 2.113113609309631 1.8422e-07 au
i 7.504140850503825 7.6475e-06 deg
node 233.920289914363 4.9835e-05 deg
peri 48.09111367061151 5.7083e-05 deg
M 93.52389905807335 2.3636e-05 deg
tp 2458640.806602202115
(2019-Jun-06.30660220)
9.0341e-05 TDB
period 1384.561855433686
3.79
2.832e-05
7.754e-08
d
yr
n .2600100519793948 5.3182e-09 deg/d
Q 2.749158795641734 3.7487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      5014 days (13.73 yr)  
   first obs. used      2005-12-01  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:54  

Additional Information
 Earth MOID = 1.10533 au 
 Jupiter MOID = 2.37266 au 
 T_jup = 3.484 
[ 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 17.2   n/a MPO495193  

442722 (2012 VM31)          Discovered 2012-Sep-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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