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441726 (2009 BT52)
Classification: Main-belt Asteroid          SPK-ID: 2441726
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04539732854663604 9.0143e-08  
a 2.646092614467082 2.8667e-08 au
q 2.525967078683293 2.5139e-07 au
i 13.16589894000539 9.5492e-06 deg
node 316.4867438424675 2.4584e-05 deg
peri 102.9272059422629 0.00013988 deg
M 27.62663821798284 0.00012801 deg
tp 2459275.848832855190
(2021-Mar-02.34883286)
0.00055988 TDB
period 1572.193468833245
4.30
2.5549e-05
6.995e-08
d
yr
n .2289794526796775 3.721e-09 deg/d
Q 2.766218150250872 2.9968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      9062 days (24.81 yr)  
   first obs. used      1996-01-25  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55197  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:41:47  

Additional Information
 Earth MOID = 1.5774 au 
 Jupiter MOID = 2.38548 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 17.5   n/a MPO349182  

441726 (2009 BT52)          Discovered 2009-Jan-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2009 BT52 = 2011 SK6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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