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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04404570724702003 1.1356e-06  
a 1.523807699669371 4.4744e-07 AU
q 1.456690511828979 2.1399e-06 AU
i 18.74474811078454 4.5657e-05 deg
node 5.784430026577882 2.7311e-05 deg
peri 196.2470335750427 0.0043693 deg
M 318.9637776796625 0.0049976 deg
tp 2456878.817451292875
(2014-Aug-09.31745129)
0.0095724 JED
period 687.0584296318597
1.88
0.00030261
8.285e-07
d
yr
n .5239729031385227 2.3078e-07 deg/d
Q 1.590924887509763 4.6714e-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 = .460243 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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