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305639 (2009 BA39)
Classification: Main-belt Asteroid          SPK-ID: 2305639
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090775447149301 5.6676e-08  
a 2.376479027186299 1.5687e-08 au
q 2.117258529834292 1.3161e-07 au
i 6.194231414538214 7.5585e-06 deg
node 326.1072940127257 4.2139e-05 deg
peri 116.8000605947815 5.3697e-05 deg
M 77.90060739556235 3.2543e-05 deg
tp 2458710.940546094234
(2019-Aug-15.44054609)
0.00012096 TDB
period 1338.13338420791
3.66
1.3249e-05
3.627e-08
d
yr
n .269031476419742 2.6638e-09 deg/d
Q 2.635699524538306 1.7398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      8082 days (22.13 yr)  
   first obs. used      1998-03-02  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50892  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:00:46  

Additional Information
 Earth MOID = 1.1418 au 
 Jupiter MOID = 2.54251 au 
 T_jup = 3.525 
[ 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 16.9   n/a MPO455251  

305639 (2009 BA39)          Discovered 2009-Jan-16 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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