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249374 (2009 BC3)
Classification: Main-belt Asteroid          SPK-ID: 2249374
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .136897937270879 8.4615e-08  
a 3.116470135109596 4.3116e-08 au
q 2.689831802046795 2.7154e-07 au
i 26.89055328071393 8.1823e-06 deg
node 268.3296358167121 2.0646e-05 deg
peri 199.8631089490588 4.4274e-05 deg
M 18.50212193462382 3.6694e-05 deg
tp 2458897.221025016514
(2020-Feb-17.72102502)
0.00020438 TDB
period 2009.522536140989
5.50
4.1703e-05
1.142e-07
d
yr
n .1791470329520814 3.7177e-09 deg/d
Q 3.543108468172397 4.9019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      6742 days (18.46 yr)  
   first obs. used      2001-08-17  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50162  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:33  

Additional Information
 Earth MOID = 1.71624 au 
 Jupiter MOID = 1.7152 au 
 T_jup = 3.037 
[ 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 14.9   n/a MPO454848  
diameter diameter 7.741 km 0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249374 (2009 BC3)          Discovered 2009-Jan-18 by LINEAR at Socorro
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 BC3 = 2002 XT56 = 2007 YU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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