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266757 (2009 SS87)
Classification: Main-belt Asteroid          SPK-ID: 2266757
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01858276868308683 5.6701e-08  
a 2.840890418294951 3.0721e-08 au
q 2.788098808797778 1.5806e-07 au
i 2.674206972642752 6.0051e-06 deg
node 119.9251832168793 0.00014483 deg
peri 167.4061081937041 0.00023225 deg
M 175.0698203350226 0.000182 deg
tp 2458149.971373937201
(2018-Jan-31.47137394)
0.00088504 TDB
period 1748.961099044177
4.79
2.837e-05
7.767e-08
d
yr
n .2058364821245843 3.3389e-09 deg/d
Q 2.893682027792124 3.1292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      6482 days (17.75 yr)  
   first obs. used      2002-03-05  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:22:20  

Additional Information
 Earth MOID = 1.77179 au 
 Jupiter MOID = 2.11474 au 
 T_jup = 3.308 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO503217  

266757 (2009 SS87)          Discovered 2009-Sep-18 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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