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JPL Small-Body Database Browser
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11306 Akesson (1993 FF18)
Classification: Main-belt Asteroid          SPK-ID: 2011306
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1424258124662825 4.2716e-08  
a 3.066173898297357 1.9472e-08 au
q 2.629471589669447 1.3587e-07 au
i 5.874414391764855 4.7956e-06 deg
node 113.6881561169233 4.4982e-05 deg
peri 159.6319190912242 4.7775e-05 deg
M 237.4983276007243 1.8189e-05 deg
tp 2459267.818426755092
(2021-Feb-22.31842676)		 0.00010181 TDB
period 1961.072277028389
5.37		 1.8681e-05
5.115e-08		 d
yr
n .1835730402275166 1.7487e-09 deg/d
Q 3.502876206925266 2.2245e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1294  
   data-arc span      9562 days (26.18 yr)  
   first obs. used      1993-03-17  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .561  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:11:26  

Additional Information
 Earth MOID = 1.61362 au 
 Jupiter MOID = 1.62066 au 
 T_jup = 3.209 
[ 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 13.6   n/a MPO384856  
diameter diameter 8.715 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.093   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11306 Åkesson           Discovered 1993 Mar. 17 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
Sonja Åkesson (1926-1977), born in Buttle on Gotland, was well known for her characteristic poetic style describing the struggles of daily life. She was also a songwriter.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100726/MPCPages.arcLast Updated: 2010-07-28

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