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187645 (2007 DB1)
Classification: Main-belt Asteroid          SPK-ID: 2187645
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1630407659432674 9.0788e-08  
a 2.891608816019694 2.4522e-08 au
q 2.420158699847538 2.6297e-07 au
i 5.670760636764162 7.5261e-06 deg
node 182.4423581521677 4.9813e-05 deg
peri 174.1648470494981 5.2938e-05 deg
M 79.13802541770058 1.4838e-05 deg
tp 2458805.687907230376
(2019-Nov-18.18790723)		 7.4937e-05 TDB
period 1796.005809430701
4.92		 2.2846e-05
6.255e-08		 d
yr
n .2004447859297921 2.5497e-09 deg/d
Q 3.36305893219185 2.852e-08 au
   Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      6996 days (19.15 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-01-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53469  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:16  

Additional Information
 Earth MOID = 1.41441 au 
 Jupiter MOID = 2.09071 au 
 T_jup = 3.263 
[ 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 16.1   n/a MPO449935  

187645 (2007 DB1)          Discovered 2007-Feb-16 by Calvin College at Calvin-Rehoboth
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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Alternate Designations
 2007 DB1 = 2004 NO28 = 2005 XO27 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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