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305469 (2008 DY38)
Classification: Outer Main-belt Asteroid          SPK-ID: 2305469
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06106798943056577 1.0179e-07  
a 3.249294881919753 3.9291e-08 au
q 3.050866976413886 3.3987e-07 au
i 5.868288944749412 8.8321e-06 deg
node 7.403898816413157 5.2975e-05 deg
peri 218.8353313075761 7.8284e-05 deg
M 350.696742467456 5.4035e-05 deg
tp 2459055.785935033753
(2020-Jul-25.28593503)
0.00032099 TDB
period 2139.351355428783
5.86
3.8804e-05
1.062e-07
d
yr
n .1682753041413557 3.0522e-09 deg/d
Q 3.447722787425619 4.1691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      5726 days (15.68 yr)  
   first obs. used      2004-08-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:59:56  

Additional Information
 Earth MOID = 2.04472 au 
 Jupiter MOID = 1.54228 au 
 T_jup = 3.171 
[ 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 MPO427632  

305469 (2008 DY38)          Discovered 2008-Feb-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 DY38 = 2005 UM344 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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