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(2011 SL25)
Classification: Mars-crossing Asteroid          SPK-ID: 3578968
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145180978835575 1.3601e-06  
a 1.523840110167802 3.9398e-07 au
q 1.349332839272715 1.7248e-06 au
i 21.49707532808666 4.894e-05 deg
node 9.411713748540134 2.3924e-05 deg
peri 53.32248918992413 0.00050688 deg
M 160.4141569225218 0.00068433 deg
tp 2457294.340513771278
(2015-Sep-28.84051377)
0.0011903 JED
period 687.0803497447781
1.88
0.00026646
7.295e-07
d
yr
n .5239561866872268 2.032e-07 deg/d
Q 1.69834738106289 4.391e-07 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      1637 days (4.48 yr)  
   first obs. used      2011-09-21  
   last obs. used      2016-03-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      2  
   fit RMS      .5564  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 14:36:19  

Additional Information
 Earth MOID = .396557 au 
 Jupiter MOID = 3.52925 au 
 T_jup = 4.415 
[ 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 19.5 mag n/a MPO373512  

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