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JPL Small-Body Database Browser
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441728 (2009 BT60)
Classification: Main-belt Asteroid          SPK-ID: 2441728
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .123549755663276 1.0967e-07  
a 2.56651874855651 2.9924e-08 au
q 2.249425984267136 2.9122e-07 au
i 12.9948346730073 1.3427e-05 deg
node 309.0525996937955 2.1853e-05 deg
peri 141.7638404222765 4.8427e-05 deg
M 310.7541313186353 4.0073e-05 deg
tp 2459205.938762575654
(2020-Dec-22.43876258)
0.00016766 TDB
period 1501.810334705745
4.11
2.6265e-05
7.191e-08
d
yr
n .2397106956056046 4.1923e-09 deg/d
Q 2.883611512845883 3.3621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      5812 days (15.91 yr)  
   first obs. used      2003-09-29  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53929  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:21  

Additional Information
 Earth MOID = 1.27987 au 
 Jupiter MOID = 2.28299 au 
 T_jup = 3.386 
[ 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 16.7   n/a MPO495189  

441728 (2009 BT60)          Discovered 2008-Dec-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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