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JPL Small-Body Database Browser
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249200 (2008 DN9)
Classification: Main-belt Asteroid          SPK-ID: 2249200
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1581276667507488 4.9057e-08  
a 2.781846931257376 2.9988e-08 au
q 2.341959966759916 1.3521e-07 au
i 10.04106357539868 5.5292e-06 deg
node 156.1696367422463 3.5263e-05 deg
peri 185.3112681825983 4.2349e-05 deg
M 305.9011927789827 2.4431e-05 deg
tp 2458855.173326118789
(2020-Jan-06.67332612)		 0.00011738 TDB
period 1694.721235316726
4.64		 2.7403e-05
7.503e-08		 d
yr
n .2124243164585824 3.4349e-09 deg/d
Q 3.221733895754835 3.473e-08 au
   Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      9271 days (25.38 yr)  
   first obs. used      1994-02-15  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64622  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:33  

Additional Information
 Earth MOID = 1.33279 au 
 Jupiter MOID = 2.17904 au 
 T_jup = 3.292 
[ 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 16.0   n/a MPO440259  

249200 (2008 DN9)          Discovered 2008-Feb-25 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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