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JPL Small-Body Database Browser
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392741 (2012 SQ31)
Classification: Main-belt Asteroid          SPK-ID: 2392741
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416484466744247 5.1229e-08  
a 2.259793986072878 2.5969e-08 au
q 1.939697678141448 1.1984e-07 au
i 3.855622310026797 5.5213e-06 deg
node 77.99014019545167 9.9769e-05 deg
peri 317.381562228294 0.0001044 deg
M 323.960977018088 3.5127e-05 deg
tp 2458724.714474860564
(2019-Aug-29.21447486)
0.00012272 TDB
period 1240.799756759403
3.40
2.1388e-05
5.856e-08
d
yr
n .290135453395165 5.0012e-09 deg/d
Q 2.579890294004307 2.9647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      5662 days (15.50 yr)  
   first obs. used      2002-12-05  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68699  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:48:14  

Additional Information
 Earth MOID = .948107 au 
 Jupiter MOID = 2.82457 au 
 T_jup = 3.604 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO455787  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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