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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417544117419459 1.0078e-07  
a 2.259840515074298 3.3153e-08 au
q 1.939498152229325 2.3986e-07 au
i 3.854208554904435 8.3052e-06 deg
node 78.01886180184492 0.0001597 deg
peri 316.7971446604813 0.00016545 deg
M 34.5349978871264 4.0026e-05 deg
tp 2457481.465721016539
(2016-Apr-02.96572102)
0.00013678 JED
period 1240.838078928048
3.40
2.7306e-05
7.476e-08
d
yr
n .2901264928224976 6.3845e-09 deg/d
Q 2.580182877919271 3.7853e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      4631 days (12.68 yr)  
   first obs. used      2002-12-05  
   last obs. used      2015-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64985  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 22:12:51  

Additional Information
 Earth MOID = .946964 au 
 Jupiter MOID = 2.83018 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 18.0 mag n/a MPO346071  

392741 (2012 SQ31)          Discovered 2009-Dec-27 by Spacewatch at Kitt Peak
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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