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266721 (2009 RX6)
Classification: Main-belt Asteroid          SPK-ID: 2266721
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2083124938733766 8.8777e-08  
a 2.394343693000927 2.7271e-08 au
q 1.895571987121913 2.1955e-07 au
i 2.995040088510297 7.2731e-06 deg
node 257.2301562496185 0.00015623 deg
peri 79.69795177854341 0.00015745 deg
M 334.2281331620825 2.5793e-05 deg
tp 2459097.377191723861
(2020-Sep-04.87719172)
9.7855e-05 TDB
period 1353.250396640966
3.70
2.312e-05
6.33e-08
d
yr
n .2660261551695022 4.545e-09 deg/d
Q 2.89311539887994 3.2952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6341 days (17.36 yr)  
   first obs. used      2002-12-10  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56201  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:25:29  

Additional Information
 Earth MOID = .888982 au 
 Jupiter MOID = 2.50074 au 
 T_jup = 3.498 
[ 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 16.9   n/a MPO433731  

266721 (2009 RX6)          Discovered 2009-Sep-10 by CSS at Catalina
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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