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JPL Small-Body Database Browser
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393857 (2005 SL209)
Classification: Main-belt Asteroid          SPK-ID: 2393857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297641336076145 1.1111e-07  
a 3.090570670787119 5.6034e-08 au
q 2.689525445339324 3.6329e-07 au
i 8.759935300028722 1.3281e-05 deg
node 231.0990554681524 5.2155e-05 deg
peri 112.0178746916712 6.7122e-05 deg
M 268.5493272248834 4.4195e-05 deg
tp 2459504.628034539681
(2021-Oct-17.12803454)
0.00024762 TDB
period 1984.524410012506
5.43
5.3971e-05
1.478e-07
d
yr
n .1814036643659784 4.9335e-09 deg/d
Q 3.491615896234913 6.3306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      5262 days (14.41 yr)  
   first obs. used      2005-09-01  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61066  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:52:30  

Additional Information
 Earth MOID = 1.69808 au 
 Jupiter MOID = 2.00529 au 
 T_jup = 3.194 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO472042  

393857 (2005 SL209)          Discovered 2005-Sep-01 by CINEOS at Campo Imperatore
Reference: Last Updated: 2014-05-15

[ show close-approach data ]
Alternate Designations
 2005 SL209 = 2011 UB249 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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