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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07663955211427961 9.1343e-08  
a 2.698862614012985 2.4868e-08 au
q 2.492022992057056 2.4385e-07 au
i 4.792608348834089 7.1939e-06 deg
node 290.9889405150315 0.00010307 deg
peri 83.70985096892687 0.00011342 deg
M 320.7867165000074 4.4545e-05 deg
tp 2459176.900698808417
(2020-Nov-23.40069881)
0.00020004 TDB
period 1619.457640445795
4.43
2.2383e-05
6.128e-08
d
yr
n .2222966448822343 3.0725e-09 deg/d
Q 2.905702235968914 2.6774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      6636 days (18.17 yr)  
   first obs. used      2002-08-17  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57544  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:53:18  

Additional Information
 Earth MOID = 1.49815 au 
 Jupiter MOID = 2.48296 au 
 T_jup = 3.359 
[ 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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