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305478 (2008 DE62)
Classification: Main-belt Asteroid          SPK-ID: 2305478
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07680562268023693 1.104e-07  
a 3.119359698983763 3.9468e-08 au
q 2.879775334939679 3.5283e-07 au
i 10.93175498955673 1.1682e-05 deg
node 348.8936581459793 3.5537e-05 deg
peri 39.30523770057175 6.2274e-05 deg
M 213.8913871023063 5.3022e-05 deg
tp 2459817.213866401466
(2022-Aug-25.71386640)
0.00030337 TDB
period 2012.318001474702
5.51
3.8191e-05
1.046e-07
d
yr
n .1788981660633054 3.3953e-09 deg/d
Q 3.358944063027848 4.2499e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      9266 days (25.37 yr)  
   first obs. used      1994-09-12  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:55:01  

Additional Information
 Earth MOID = 1.89167 au 
 Jupiter MOID = 2.0396 au 
 T_jup = 3.184 
[ 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 MPO297581  

305478 (2008 DE62)          Discovered 2008-Feb-28 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 DE62 = 1994 RR9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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