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249375 (2009 BK3)
Classification: Main-belt Asteroid          SPK-ID: 2249375
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 .1249382381744366 4.75e-08  
a 2.667072503708765 2.5516e-08 au
q 2.333853164011908 1.2756e-07 au
i 6.395149458045258 6.0663e-06 deg
node 219.5866589195936 3.8058e-05 deg
peri 215.7206629981922 4.4138e-05 deg
M 251.0887858036099 2.5341e-05 deg
tp 2459481.805427368179
(2021-Sep-24.30542737)
0.00011608 TDB
period 1590.928492818946
4.36
2.283e-05
6.251e-08
d
yr
n .2262829546550648 3.2472e-09 deg/d
Q 3.000291843405622 2.8703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      5767 days (15.79 yr)  
   first obs. used      2003-09-20  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60197  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:33  

Additional Information
 Earth MOID = 1.35206 au 
 Jupiter MOID = 2.27411 au 
 T_jup = 3.363 
[ 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 16.3   n/a MPO437158  
diameter diameter 3.214 km 1.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249375 (2009 BK3)          Discovered 2009-Jan-18 by LINEAR at Socorro
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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Alternate Designations
 2009 BK3 = 2003 UY336 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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