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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435333459644283 3.4117e-08  
a 3.068296327699908 1.4695e-08 au
q 2.627893489374772 1.0952e-07 au
i 5.873750049104725 3.7151e-06 deg
node 113.6914549973575 4.0419e-05 deg
peri 159.7712142097367 4.2983e-05 deg
M 23.51453922486035 1.4628e-05 deg
tp 2459268.273334251352
(2021-Feb-22.77333425)
7.9683e-05 TDB
period 1963.108833564114
5.37
1.4102e-05
3.861e-08
d
yr
n .1833825989904001 1.3174e-09 deg/d
Q 3.508699166025044 1.6804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1681  
   data-arc span      10325 days (28.27 yr)  
   first obs. used      1993-03-17  
   last obs. used      2021-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 02:40:30  

Additional Information
 Earth MOID = 1.61238 au 
 Jupiter MOID = 1.6145 au 
 T_jup = 3.208 
[ 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 13.64   n/a MPCxxxxx  
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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