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JPL Small-Body Database Browser
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392744 (2012 SQ54)
Classification: Main-belt Asteroid          SPK-ID: 2392744
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2186052857652973 1.6635e-07  
a 2.558317155654062 4.9788e-08 au
q 1.999055502764043 4.4799e-07 au
i 12.40317604442427 3.7407e-05 deg
node 30.19623206433354 2.604e-05 deg
peri 72.70313264389775 0.00011589 deg
M 168.902044729227 0.0001128 deg
tp 2457899.266899542390
(2017-May-25.76689954)
0.00045558 TDB
period 1494.617288792694
4.09
4.3631e-05
1.195e-07
d
yr
n .2408643354385369 7.0313e-09 deg/d
Q 3.117578808544081 6.0672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      3491 days (9.56 yr)  
   first obs. used      2008-10-22  
   last obs. used      2018-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60626  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:26:43  

Additional Information
 Earth MOID = 1.05524 au 
 Jupiter MOID = 2.19937 au 
 T_jup = 3.370 
[ 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 16.8   n/a MPO440695  

392744 (2012 SQ54)          Discovered 2008-Oct-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 SQ54 = 2008 WU131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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