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359220 (2009 DD117)
Classification: Main-belt Asteroid          SPK-ID: 2359220
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01840534622813908 2.5162e-07  
a 2.560171850802008 3.7866e-08 au
q 2.513051001484461 6.6474e-07 au
i 1.828000191904432 1.0641e-05 deg
node 152.4262233771098 0.00026255 deg
peri 37.00264687394526 0.00039604 deg
M 246.8736809290081 0.00031201 deg
tp 2459470.679034211624
(2021-Sep-13.17903421)
0.0013044 TDB
period 1496.242905331019
4.10
3.3195e-05
9.088e-08
d
yr
n .2406026446089353 5.338e-09 deg/d
Q 2.607292700119554 3.8563e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      5356 days (14.66 yr)  
   first obs. used      2005-03-04  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68868  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:24:52  

Additional Information
 Earth MOID = 1.51163 au 
 Jupiter MOID = 2.34751 au 
 T_jup = 3.434 
[ 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 17.5   n/a MPO503414  

359220 (2009 DD117)          Discovered 2009-Feb-27 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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