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305672 (2009 BF93)
Classification: Main-belt Asteroid          SPK-ID: 2305672
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09404117361347505 3.7477e-08  
a 2.342791743491511 1.4569e-08 au
q 2.122472858401609 8.7831e-08 au
i 6.474745676899483 5.8305e-06 deg
node 149.6563945465258 3.5929e-05 deg
peri 265.4439781374602 4.7286e-05 deg
M 129.2767671845511 3.1305e-05 deg
tp 2458530.154561499072
(2019-Feb-15.65456150)
0.00011239 TDB
period 1309.78180803835
3.59
1.2218e-05
3.345e-08
d
yr
n .2748549398003697 2.5639e-09 deg/d
Q 2.563110628581411 1.594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1998-01-07  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:56:44  

Additional Information
 Earth MOID = 1.14533 au 
 Jupiter MOID = 2.70266 au 
 T_jup = 3.549 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457361.5 (2015-Dec-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09285302571119183 3.7367e-08  
q 2.125555478888458 8.7451e-08 au
tp 2457219.376094170953
(2015-Jul-15.87609417)
0.00011093 TDB
node 149.6928521363351 3.5898e-05 deg
peri 265.3387554439448 4.7589e-05 deg
i 6.476281245685998 5.833e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1998-01-07  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:56:44  

Additional Information
 Jupiter MOID = 2.70266 au 
 T_jup = 3.549 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.396272884327628E-15 -3.230553011903531E-15 -4.118019180112993E-13 8.402464650869701E-15 -1.211347831748824E-13 -2.972715672631808E-15
q -3.230553011903531E-15 7.647657990601154E-15 1.291017180828271E-12 -2.06947917547877E-14 3.739748305308336E-13 7.403580844053495E-15
tp -4.118019180112993E-13 1.291017180828271E-12 1.230443298552714E-8 -1.035651598627247E-11 3.475998592491033E-9 8.36332508130172E-12
node 8.402464650869701E-15 -2.06947917547877E-14 -1.035651598627247E-11 1.28869708374224E-9 -1.282768321836385E-9 5.009690008795535E-12
peri -1.211347831748824E-13 3.739748305308336E-13 3.475998592491033E-9 -1.282768321836385E-9 2.264695661404474E-9 -2.65041176262972E-12
i -2.972715672631808E-15 7.403580844053495E-15 8.36332508130172E-12 5.009690008795535E-12 -2.65041176262972E-12 3.402409203498587E-11

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 17.1   n/a MPO455252  

305672 (2009 BF93)          Discovered 2009-Jan-25 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 BF93 = 2002 CX229 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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