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441735 (2009 BC89)
Classification: Main-belt Asteroid          SPK-ID: 2441735
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04855577071388602 7.7023e-08  
a 2.714263265170657 4.4925e-08 au
q 2.582470120409907 1.9821e-07 au
i 5.133199790512887 9.947e-06 deg
node 137.4577896137196 6.399e-05 deg
peri 49.11298711214267 0.00013447 deg
M 143.059989672609 0.00011101 deg
tp 2458351.429204255461
(2018-Aug-20.92920426)
0.00050993 TDB
period 1633.339181715129
4.47
4.0551e-05
1.11e-07
d
yr
n .220407374065424 5.4721e-09 deg/d
Q 2.846056409931407 4.7107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      3814 days (10.44 yr)  
   first obs. used      2009-01-25  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57111  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:22  

Additional Information
 Earth MOID = 1.5876 au 
 Jupiter MOID = 2.1167 au 
 T_jup = 3.354 
[ 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 17.3   n/a MPO437717  

441735 (2009 BC89)          Discovered 2009-Jan-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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