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441731 (2009 BD69)
Classification: Main-belt Asteroid          SPK-ID: 2441731
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09967446297761813 1.4893e-07  
a 2.567956011401319 8.4954e-08 au
q 2.311996375014746 4.0563e-07 au
i 14.54984302758069 1.6952e-05 deg
node 116.8691280835781 3.8896e-05 deg
peri 359.2951555940968 0.00010089 deg
M 276.5622743141402 0.00012322 deg
tp 2459348.869202208633
(2021-May-14.36920221)
0.00053007 TDB
period 1503.072042822489
4.12
7.4587e-05
2.042e-07
d
yr
n .2395094777519692 1.1885e-08 deg/d
Q 2.823915647787891 9.3421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      4387 days (12.01 yr)  
   first obs. used      2004-12-20  
   last obs. used      2016-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69216  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:35:31  

Additional Information
 Earth MOID = 1.32831 au 
 Jupiter MOID = 2.26937 au 
 T_jup = 3.379 
[ 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 17.5   n/a MPO397574  

441731 (2009 BD69)          Discovered 2009-Jan-25 by CSS at Catalina
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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