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JPL Small-Body Database Browser
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347343 (2012 PK31)
Classification: Main-belt Asteroid          SPK-ID: 2347343
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1891899022981204 6.9276e-08  
a 2.462680960904629 2.6229e-08 au
q 1.996766590519641 1.7523e-07 au
i 5.77547993631913 4.6584e-06 deg
node 97.98003247988369 9.4513e-05 deg
peri 226.8115578451607 9.6309e-05 deg
M 13.30361360029292 2.2204e-05 deg
tp 2458948.335172232706
(2020-Apr-08.83517223)
8.6829e-05 TDB
period 1411.596770655771
3.86
2.2551e-05
6.174e-08
d
yr
n .2550303369090016 4.0743e-09 deg/d
Q 2.928595331289617 3.1191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      7887 days (21.59 yr)  
   first obs. used      1997-11-28  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61897  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:33:29  

Additional Information
 Earth MOID = .989706 au 
 Jupiter MOID = 2.40315 au 
 T_jup = 3.457 
[ 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 16.5   n/a MPO476607  

347343 (2012 PK31)          Discovered 2005-Dec-01 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2012 PK31 = 2007 EX123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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