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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145218527246639 4.1744e-06  
a 1.523800158263699 1.3147e-06 AU
q 1.349291740957204 5.199e-06 AU
i 21.49593381175163 0.00014298 deg
node 9.417887841740992 3.2344e-05 deg
peri 53.29925283351772 0.0010968 deg
M 101.2781629286097 0.0012544 deg
tp 2456607.212502733732
(2013-Nov-10.71250273)
0.0021522 JED
period 687.0533292048879
1.88
0.00088918
2.434e-06
d
yr
n .5239767929174003 6.7813e-07 deg/d
Q 1.698308575570194 1.4653e-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 = .396435 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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