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JPL Small-Body Database Browser
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305470 (2008 DE40)
Classification: Main-belt Asteroid          SPK-ID: 2305470
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .165654937242165 6.2226e-08  
a 3.161122627416549 4.5342e-08 au
q 2.637467056957073 2.0142e-07 au
i 10.67956951512286 7.5558e-06 deg
node 23.22735619871542 3.267e-05 deg
peri 207.5239330052895 4.0307e-05 deg
M 306.898292385334 2.2909e-05 deg
tp 2458903.307361081687
(2020-Feb-23.80736108)
0.00013349 TDB
period 2052.865244568896
5.62
4.4169e-05
1.209e-07
d
yr
n .1753646523815549 3.7731e-09 deg/d
Q 3.684778197876025 5.2854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      6296 days (17.24 yr)  
   first obs. used      2002-02-10  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50987  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:08:14  

Additional Information
 Earth MOID = 1.63326 au 
 Jupiter MOID = 1.33767 au 
 T_jup = 3.157 
[ 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 15.3   n/a MPO455250  

305470 (2008 DE40)          Discovered 2008-Feb-27 by CSS at Catalina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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