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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0568705125263193 8.4304e-08  
a 2.774022913491227 4.3466e-08 au
q 2.616262808641228 2.3902e-07 au
i 4.817010663220952 9.1174e-06 deg
node 358.1174213034842 8.2264e-05 deg
peri 330.3582534488014 0.00010267 deg
M 284.5231691913491 5.9515e-05 deg
tp 2458954.313702670634
(2020-Apr-14.81370267)
0.00027958 TDB
period 1687.576592667813
4.62
3.9663e-05
1.086e-07
d
yr
n .2133236509466467 5.0138e-09 deg/d
Q 2.931783018341227 4.5937e-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 = 1.60558 au 
 Jupiter MOID = 2.27956 au 
 T_jup = 3.329 
[ 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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