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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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04404559374793347 1.2693e-06  
a 1.523807755023425 5.0166e-07 AU
q 1.456690737695712 2.3971e-06 AU
i 18.74476410439959 4.5919e-05 deg
node 5.784443812214339 3.0203e-05 deg
peri 196.2475684104025 0.0048987 deg
M 318.9631559114697 0.0056028 deg
tp 2456878.818642202279
(2014-Aug-09.31864220)
0.010732 JED
period 687.0584670691323
1.88
0.00033929
9.289e-07
d
yr
n .5239728745876535 2.5875e-07 deg/d
Q 1.590924772351137 5.2376e-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      .64545  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-15 02:37:56  

Additional Information
 Earth MOID = .460244 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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