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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144693747795335 4.1732e-06  
a 1.523842150807708 1.3155e-06 AU
q 1.34940889254205 5.1966e-06 AU
i 21.49566673887244 0.00014299 deg
node 9.41644799955581 3.2334e-05 deg
peri 53.28503073810125 0.0010981 deg
M 206.0925722813017 0.0013878 deg
tp 2457294.241615778976
(2015-Sep-28.74161578)
0.0030209 JED
period 687.0817298935614
1.88
0.0008897
2.436e-06
d
yr
n .5239551342105532 6.7847e-07 deg/d
Q 1.698275409073366 1.4661e-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 = .397707 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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