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JPL Small-Body Database Browser
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347395 (2012 SQ4)
Classification: Main-belt Asteroid          SPK-ID: 2347395
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2503925544196438 4.5631e-08  
a 2.394205616902868 1.777e-08 au
q 1.7947143566807 1.142e-07 au
i 4.487761013789667 5.6275e-06 deg
node 146.4231426528228 0.00010089 deg
peri 167.2744877907024 0.00010206 deg
M 61.74803488703052 1.564e-05 deg
tp 2458768.407431389443
(2019-Oct-11.90743139)
5.8402e-05 TDB
period 1353.133340237682
3.70
1.5065e-05
4.125e-08
d
yr
n .2660491684705403 2.962e-09 deg/d
Q 2.993696877125036 2.222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      8021 days (21.96 yr)  
   first obs. used      1997-08-11  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60993  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:33:32  

Additional Information
 Earth MOID = .781183 au 
 Jupiter MOID = 2.30858 au 
 T_jup = 3.483 
[ 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 17.3   n/a MPO476608  

347395 (2012 SQ4)          Discovered 2007-Feb-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2012 SQ4 = 2007 DC80 = 2011 FR20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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