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392741 (2012 SQ31 = 2004 PR107)
Classification: Main-belt Asteroid          SPK-ID: 2392741
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1421429362563331 1.8791e-07  
a 2.259598737041932 3.9796e-08 AU
q 1.93841273779769 4.1558e-07 AU
i 3.854581235197895 1.1961e-05 deg
node 78.02387482243168 0.00025405 deg
peri 316.8893363815235 0.00025933 deg
M 162.3654684739406 4.7884e-05 deg
tp 2456240.952987875318
(2012-Nov-09.45298788)
0.00016729 JED
period 1240.638950253242
3.40
3.2775e-05
8.973e-08
d
yr
n .2901730595565422 7.6657e-09 deg/d
Q 2.580784736286175 4.5452e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      4138 days (11.33 yr)  
   first obs. used      2002-12-05  
   last obs. used      2014-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .68543  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 00:00:05  

Additional Information
 Earth MOID = .946058 AU 
 T_jup = 3.604 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8 mag n/a E2014E16  

392741 (2012 SQ31)          Discovered 2009-Dec-27 by Spacewatch at Kitt Peak (691)
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 SQ31 = 2004 PR107 = 2009 YS20 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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