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305760 (2009 DD17)
Classification: Main-belt Asteroid          SPK-ID: 2305760
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02308931039185468 5.5677e-08  
a 2.660220060789039 3.0751e-08 au
q 2.598797414094842 1.3234e-07 au
i 22.02980971639272 5.7879e-06 deg
node 172.194444419952 1.1984e-05 deg
peri 87.72894511176966 0.00015806 deg
M 126.517070606045 0.00015148 deg
tp 2458443.543341983682
(2018-Nov-21.04334198)
0.00067113 TDB
period 1584.801133360216
4.34
2.748e-05
7.524e-08
d
yr
n .2271578385590252 3.9388e-09 deg/d
Q 2.721642707483235 3.1461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      5326 days (14.58 yr)  
   first obs. used      2005-04-01  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61075  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:41:02  

Additional Information
 Earth MOID = 1.64374 au 
 Jupiter MOID = 2.29234 au 
 T_jup = 3.281 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO440440  

305760 (2009 DD17)          Discovered 2009-Feb-21 by La Sagra at La Sagra
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 DD17 = 2005 GK159 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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