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305811 (2009 DH105)
Classification: Main-belt Asteroid          SPK-ID: 2305811
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278996043074722 9.4424e-08  
a 2.743517679655723 2.4565e-08 au
q 2.392622854017202 2.5354e-07 au
i 2.860891790342218 9.3646e-06 deg
node 340.0316110835586 0.00012484 deg
peri 202.5878569976673 0.00012743 deg
M 208.6096544266642 2.7144e-05 deg
tp 2459898.500528148295
(2022-Nov-15.00052815)		 0.00012923 TDB
period 1659.81647760796
4.54		 2.2292e-05
6.103e-08		 d
yr
n .2168914484562854 2.913e-09 deg/d
Q 3.094412505294244 2.7707e-08 au
   Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      9412 days (25.77 yr)  
   first obs. used      1995-01-29  
   last obs. used      2020-11-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59045  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:34  

Additional Information
 Earth MOID = 1.39498 au 
 Jupiter MOID = 1.86959 au 
 T_jup = 3.335 
[ 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 16.8   n/a MPO397067  

305811 (2009 DH105)          Discovered 2009-Feb-26 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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Alternate Designations
 2009 DH105 = 2004 BU63 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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