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305464 (2008 DB26)
Classification: Main-belt Asteroid          SPK-ID: 2305464
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0233505658060548 1.0867e-07  
a 3.181232814102517 6.0101e-08 au
q 3.106949227932435 3.4735e-07 au
i 9.61263419811644 1.1538e-05 deg
node 305.2198053942274 5.0757e-05 deg
peri 334.042180091277 0.00029152 deg
M 303.644208260477 0.00029584 deg
tp 2459324.934971774060
(2021-Apr-20.43497177)
0.0017055 TDB
period 2072.486007800168
5.67
5.8731e-05
1.608e-07
d
yr
n .1737044296777282 4.9225e-09 deg/d
Q 3.255516400272599 6.1504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      6652 days (18.21 yr)  
   first obs. used      2002-02-06  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60419  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:59:56  

Additional Information
 Earth MOID = 2.09327 au 
 Jupiter MOID = 1.89935 au 
 T_jup = 3.177 
[ 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 15.8   n/a MPO433968  

305464 (2008 DB26)          Discovered 2008-Feb-29 by PMO NEO Survey Program at Purple Mountain
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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