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392575 (2011 SG128)
Classification: Main-belt Asteroid          SPK-ID: 2392575
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01951657284929378 2.3353e-07  
a 3.100104139376397 1.2167e-07 au
q 3.03960073109986 7.329e-07 au
i 10.35456850703797 1.4853e-05 deg
node 37.49404108578168 9.126e-05 deg
peri 137.4327063787602 0.00068582 deg
M 69.2136548736824 0.00064758 deg
tp 2458617.188248785963
(2019-May-13.68824879)
0.0035983 TDB
period 1993.713967119561
5.46
0.00011737
3.213e-07
d
yr
n .1805675267050036 1.063e-08 deg/d
Q 3.160607547652933 1.2405e-07 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      5838 days (15.98 yr)  
   first obs. used      2003-04-09  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61706  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:44:47  

Additional Information
 Earth MOID = 2.04495 au 
 Jupiter MOID = 1.80618 au 
 T_jup = 3.197 
[ 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 16.4   n/a MPO472031  

392575 (2011 SG128)          Discovered 2011-Sep-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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