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441783 (2009 DT64)
Classification: Main-belt Asteroid          SPK-ID: 2441783
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504069533909012 6.9214e-08  
a 2.704123965201603 4.4472e-08 au
q 2.297404918004307 1.8554e-07 au
i 9.061035011594155 9.8247e-06 deg
node 314.1134915623903 4.6944e-05 deg
peri 276.2386980186316 5.7115e-05 deg
M 133.243597688303 3.0996e-05 deg
tp 2458399.350940157551
(2018-Oct-07.85094016)
0.00013822 TDB
period 1624.19557335534
4.45
4.0068e-05
1.097e-07
d
yr
n .2216481844340304 5.4679e-09 deg/d
Q 3.110843012398899 5.1161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      4251 days (11.64 yr)  
   first obs. used      2008-01-01  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53408  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:25  

Additional Information
 Earth MOID = 1.30871 au 
 Jupiter MOID = 2.00277 au 
 T_jup = 3.332 
[ 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 MPO437717  

441783 (2009 DT64)          Discovered 2009-Feb-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2009 DT64 = 2013 AS8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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