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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04411992846133051 4.0123e-07  
a 1.523826840443466 2.6877e-08 au
q 1.456595709255645 6.3522e-07 au
i 18.74598853721243 1.75e-05 deg
node 5.779377455292347 2.3335e-05 deg
peri 196.1986256235224 0.00033963 deg
M 18.19079836017302 0.00039355 deg
tp 2457565.782286549068
(2016-Jun-26.28228655)
0.00075021 JED
period 687.0713750364788
1.88
1.8178e-05
4.977e-08
d
yr
n .5239630307417282 1.3862e-08 deg/d
Q 1.591057971631288 2.8063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      4715 days (12.91 yr)  
   first obs. used      2003-03-21  
   last obs. used      2016-02-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62491  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 15:40:48  

Additional Information
 Earth MOID = .459109 au 
 Jupiter MOID = 3.37034 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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