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266771 (2009 SN169)
Classification: Main-belt Asteroid          SPK-ID: 2266771
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297849301469415 7.1382e-08  
a 2.34647566070006 2.5139e-08 au
q 2.041938480984605 1.8065e-07 au
i 6.117844531651853 5.0553e-06 deg
node 266.933047509704 5.4711e-05 deg
peri 57.57226047207975 5.8135e-05 deg
M 10.98491904805102 2.1557e-05 deg
tp 2458960.439453688173
(2020-Apr-20.93945369)
7.8351e-05 TDB
period 1312.872367030918
3.59
2.1098e-05
5.776e-08
d
yr
n .2742079192466712 4.4066e-09 deg/d
Q 2.651012840415516 2.8402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      6511 days (17.83 yr)  
   first obs. used      2002-10-03  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57281  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 18:08:26  

Additional Information
 Earth MOID = 1.03713 au 
 Jupiter MOID = 2.63639 au 
 T_jup = 3.542 
[ 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 17.0   n/a MPO476122  

266771 (2009 SN169)          Discovered 2009-Sep-24 by Bickel, W. at Bergisch Gladbach
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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