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JPL Small-Body Database Browser
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305787 (2009 DU64)
Classification: Main-belt Asteroid          SPK-ID: 2305787
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05569460665369806 8.449e-08  
a 2.771653555151437 4.395e-08 au
q 2.617287400616954 2.388e-07 au
i 4.818522933521626 9.123e-06 deg
node 358.0189117458572 8.2238e-05 deg
peri 330.4048469705294 0.00010338 deg
M 9.876935912929104 6.0822e-05 deg
tp 2458954.259068035671
(2020-Apr-14.75906804)
0.00028466 TDB
period 1685.414956005476
4.61
4.0088e-05
1.098e-07
d
yr
n .213597250171091 5.0805e-09 deg/d
Q 2.92601970968592 4.6398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      5148 days (14.09 yr)  
   first obs. used      2004-02-12  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60898  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:40:44  

Additional Information
 Earth MOID = 1.60748 au 
 Jupiter MOID = 2.28054 au 
 T_jup = 3.330 
[ 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 16.6   n/a MPO437357  

305787 (2009 DU64)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 DU64 = 2004 CW121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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