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JPL Small-Body Database Browser
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441729 (2009 BL66)
Classification: Main-belt Asteroid          SPK-ID: 2441729
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07776014624844672 9.593e-08  
a 2.700497591953393 4.9346e-08 au
q 2.490506504259519 2.7151e-07 au
i 4.788528689398523 9.333e-06 deg
node 291.0134978238425 0.0001046 deg
peri 83.23290087544184 0.00012506 deg
M 232.4872870469496 7.5928e-05 deg
tp 2459174.636428661886
(2020-Nov-21.13642866)
0.00035266 TDB
period 1620.929470729563
4.44
4.4429e-05
1.216e-07
d
yr
n .2220947959185218 6.0875e-09 deg/d
Q 2.910488679647267 5.3183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      6153 days (16.85 yr)  
   first obs. used      2002-08-17  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66484  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:22  

Additional Information
 Earth MOID = 1.49567 au 
 Jupiter MOID = 2.48622 au 
 T_jup = 3.358 
[ 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 17.2   n/a MPO437717  

441729 (2009 BL66)          Discovered 2009-Jan-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2009 BL66 = 2011 QS73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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