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243431 (2009 DK32)
Classification: Main-belt Asteroid          SPK-ID: 2243431
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06631516552770408 4.5991e-08  
a 2.455173070865448 1.9528e-08 au
q 2.292357862271845 1.1042e-07 au
i 5.953821759861419 5.7411e-06 deg
node 162.9963318895924 3.7876e-05 deg
peri 140.3912724306061 5.6969e-05 deg
M 213.7275722176528 4.5238e-05 deg
tp 2459571.428290749385
(2021-Dec-22.92829075)
0.00018057 TDB
period 1405.146463936545
3.85
1.6764e-05
4.59e-08
d
yr
n .2562010503812202 3.0566e-09 deg/d
Q 2.617988279459052 2.0823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      5998 days (16.42 yr)  
   first obs. used      2003-11-19  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54272  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:48:44  

Additional Information
 Earth MOID = 1.28109 au 
 Jupiter MOID = 2.52311 au 
 T_jup = 3.483 
[ 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 16.4   n/a MPO454786  

243431 (2009 DK32)          Discovered 2009-Feb-20 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2009 DK32 = 2007 VW245 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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