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(2011 SC191)
Classification: Mars-crossing Asteroid          SPK-ID: 3580928
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04403827862199382 1.1333e-06  
a 1.523811872181472 4.4392e-07 AU
q 1.456705820386842 2.1331e-06 AU
i 18.74489995772818 4.5661e-05 deg
node 5.783081159863741 2.7313e-05 deg
peri 196.3240826903098 0.0043724 deg
M 63.68823979715015 0.0050466 deg
tp 2456878.950772923711
(2014-Aug-09.45077292)
0.0095783 JED
period 687.0612516036623
1.88
0.00030023
8.22e-07
d
yr
n .5239707510207101 2.2897e-07 deg/d
Q 1.590917923976101 4.6347e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      3146 days (8.61 yr)  
   first obs. used      2003-03-21  
   last obs. used      2011-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      2  
   fit RMS      .6441  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 14:58:11  

Additional Information
 Earth MOID = .461058 AU 
 T_jup = 4.439 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.3 mag n/a MPO230280  

[ show close-approach data ]
Alternate Designations
 2011 SC191 = 2003 GX20 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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