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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .141859422562692 1.0077e-07  
a 2.26010976929647 3.3145e-08 au
q 1.939491902495774 2.3986e-07 au
i 3.854073568995969 8.3048e-06 deg
node 78.02074664933305 0.00015971 deg
peri 316.8118676915623 0.00016545 deg
M 336.5012477610079 3.9428e-05 deg
tp 2457481.509327551759
(2016-Apr-03.00932755)
0.00013671 JED
period 1241.05984956264
3.40
2.7301e-05
7.475e-08
d
yr
n .2900746487986595 6.3811e-09 deg/d
Q 2.580727636097167 3.7847e-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 = .946981 au 
 Jupiter MOID = 2.83122 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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