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441787 (2009 DK107)
Classification: Main-belt Asteroid          SPK-ID: 2441787
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2359714759533235 2.2103e-07  
a 3.012284784160233 1.7103e-07 au
q 2.301471497650204 6.2279e-07 au
i 2.564891256934366 1.2774e-05 deg
node 195.04101556 0.00043982 deg
peri 36.71882108930048 0.00051833 deg
M 14.42174568542456 0.00019558 deg
tp 2458924.000640127419
(2020-Mar-15.50064013)
0.001042 TDB
period 1909.600276890371
5.23
0.00016263
4.453e-07
d
yr
n .1885211289276889 1.6056e-08 deg/d
Q 3.723098070670262 2.1139e-07 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      5427 days (14.86 yr)  
   first obs. used      2000-08-27  
   last obs. used      2015-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .52664  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:34:58  

Additional Information
 Earth MOID = 1.29152 au 
 Jupiter MOID = 1.27477 au 
 T_jup = 3.205 
[ 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 17.8   n/a MPO342887  

441787 (2009 DK107)          Discovered 2009-Feb-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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