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266751 (2009 SD69)
Classification: Main-belt Asteroid          SPK-ID: 2266751
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1371046651866663 8.225e-08  
a 3.088790414662376 4.0962e-08 au
q 2.665302839028307 2.7647e-07 au
i 7.401162065417505 7.4029e-06 deg
node 172.1153722685294 4.0111e-05 deg
peri 238.5776076019466 5.3864e-05 deg
M 326.0649934186634 4.4081e-05 deg
tp 2459187.407412467262
(2020-Dec-03.90741247)		 0.00024541 TDB
period 1982.809943676877
5.43		 3.9443e-05
1.08e-07		 d
yr
n .1815605177632024 3.6117e-09 deg/d
Q 3.512277990296446 4.6578e-08 au
   Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      9398 days (25.73 yr)  
   first obs. used      1993-12-10  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58504  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:51  

Additional Information
 Earth MOID = 1.68465 au 
 Jupiter MOID = 1.91936 au 
 T_jup = 3.198 
[ 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 MPO440311  

266751 (2009 SD69)          Discovered 2009-Sep-17 by Spacewatch at Kitt Peak
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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