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305648 (2009 BW51)
Classification: Main-belt Asteroid          SPK-ID: 2305648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374320810898783 6.4326e-08  
a 2.39395474486031 2.3385e-08 au
q 2.064948562239169 1.6164e-07 au
i 2.310321754942128 5.717e-06 deg
node 102.5725697278009 0.00016669 deg
peri 269.6096256628185 0.00016806 deg
M 126.5798199099658 2.4286e-05 deg
tp 2458524.798737563554
(2019-Feb-10.29873756)
8.7882e-05 TDB
period 1352.920667756754
3.70
1.9823e-05
5.427e-08
d
yr
n .2660909900924994 3.8988e-09 deg/d
Q 2.722960927481452 2.6598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      6538 days (17.90 yr)  
   first obs. used      2002-03-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61198  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:56:41  

Additional Information
 Earth MOID = 1.06659 au 
 Jupiter MOID = 2.74086 au 
 T_jup = 3.516 
[ 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 17.6   n/a MPO455251  

305648 (2009 BW51)          Discovered 2009-Jan-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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