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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144024533323404 4.1724e-06  
a 1.523883217074826 1.3141e-06 au
q 1.349547238449486 5.1967e-06 au
i 21.49624991893127 0.000143 deg
node 9.413016658366605 3.2302e-05 deg
peri 53.31712770877847 0.0010973 deg
M 55.64151342737151 0.0016528 deg
tp 2457294.300520221067
(2015-Sep-28.80052022)
0.0030197 JED
period 687.1095044946918
1.88
0.0008888
2.433e-06
d
yr
n .5239339546972911 6.7772e-07 deg/d
Q 1.698219195700166 1.4645e-06 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      863 days (2.36 yr)  
   first obs. used      2011-09-21  
   last obs. used      2014-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      2  
   fit RMS      .56181  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 14:51:03  

Additional Information
 Earth MOID = .396441 au 
 Jupiter MOID = 3.52931 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 19.4 mag n/a MPO283210  

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