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JPL Small-Body Database Browser
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305644 (2009 BA44)
Classification: Main-belt Asteroid          SPK-ID: 2305644
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09201754506565112 5.5356e-08  
a 2.520370177447428 2.5364e-08 au
q 2.288451901062036 1.3735e-07 au
i 3.774448691938117 6.0314e-06 deg
node 159.0386345113949 9.6421e-05 deg
peri 132.4384881258774 0.00010607 deg
M 59.44220316040224 5.0377e-05 deg
tp 2458359.183330954450
(2018-Aug-28.68333095)
0.00020326 TDB
period 1461.486893781046
4.00
2.2062e-05
6.04e-08
d
yr
n .2463244805901993 3.7184e-09 deg/d
Q 2.75228845383282 2.7698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      8763 days (23.99 yr)  
   first obs. used      1995-10-28  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60511  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:40:07  

Additional Information
 Earth MOID = 1.27371 au 
 Jupiter MOID = 2.38158 au 
 T_jup = 3.448 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO260601  

305644 (2009 BA44)          Discovered 2009-Jan-16 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 BA44 = 2007 VN138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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