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187646 (2007 DB3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2187646
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2003991197688928 4.6719e-08  
a 3.975719256702216 6.9389e-08 au
q 3.178988617210855 2.1834e-07 au
i 9.517113274245739 5.2558e-06 deg
node 108.9334593862965 4.7488e-05 deg
peri 353.934277709068 5.364e-05 deg
M 302.9512150434625 2.5742e-05 deg
tp 2459659.344879155727
(2022-Mar-20.84487916)		 0.00021523 TDB
period 2895.489476627886
7.93		 7.5804e-05
2.075e-07		 d
yr
n .124331310096578 3.255e-09 deg/d
Q 4.772449896193576 8.3295e-08 au
   Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      5916 days (16.20 yr)  
   first obs. used      2004-09-24  
   last obs. used      2020-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57241  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:57:07  

Additional Information
 Earth MOID = 2.1959 au 
 Jupiter MOID = .399153 au 
 T_jup = 2.998 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO494035  

187646 (2007 DB3)          Discovered 2007-Feb-16 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2007 DB3 = 2005 YT38 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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