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305808 (2009 DE100)
Classification: Main-belt Asteroid          SPK-ID: 2305808
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504815335917992 4.8338e-08  
a 2.321183828076299 1.6296e-08 au
q 1.971888525878894 1.129e-07 au
i 3.104675767866503 4.8756e-06 deg
node 74.44926593634136 9.8138e-05 deg
peri 67.95197084370885 9.9991e-05 deg
M 86.11052826255677 1.8544e-05 deg
tp 2458691.529878389259
(2019-Jul-27.02987839)
6.5539e-05 TDB
period 1291.703186870731
3.54
1.3602e-05
3.724e-08
d
yr
n .2787017974865672 2.9349e-09 deg/d
Q 2.670479130273703 1.8748e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      6106 days (16.72 yr)  
   first obs. used      2002-04-15  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6509  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:02:36  

Additional Information
 Earth MOID = .987122 au 
 Jupiter MOID = 2.34492 au 
 T_jup = 3.560 
[ 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 17.6   n/a MPO418595  

305808 (2009 DE100)          Discovered 2009-Feb-26 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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