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212951 (2009 BB40)
Classification: Main-belt Asteroid          SPK-ID: 2212951
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06844581116001025 5.7166e-08  
a 2.607780671816339 2.3152e-08 au
q 2.429289008406474 1.5771e-07 au
i 5.807660922697536 4.8398e-06 deg
node 107.8686910748128 5.592e-05 deg
peri 209.7707554050854 7.7836e-05 deg
M 70.30900340864314 4.8976e-05 deg
tp 2458700.090639086622
(2019-Aug-04.59063909)
0.00021122 TDB
period 1538.172420113145
4.21
2.0484e-05
5.608e-08
d
yr
n .2340439831664119 3.1168e-09 deg/d
Q 2.786272335226206 2.4737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      284  
   data-arc span      9650 days (26.42 yr)  
   first obs. used      1993-04-24  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60394  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:47:46  

Additional Information
 Earth MOID = 1.41741 au 
 Jupiter MOID = 2.40148 au 
 T_jup = 3.401 
[ 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 16.2   n/a MPO437022  

212951 (2009 BB40)          Discovered 2009-Jan-16 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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