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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .142609241121913 3.9567e-08  
a 3.065223190994335 1.7269e-08 au
q 2.628094037857344 1.2922e-07 au
i 5.874668986557376 3.7454e-06 deg
node 113.6909867261097 4.4247e-05 deg
peri 159.7655856247859 4.6901e-05 deg
M 310.8251484246902 1.6864e-05 deg
tp 2459268.251638960222
(2021-Feb-22.75163896)
9.2559e-05 TDB
period 1960.16026358637
5.37
1.6565e-05
4.535e-08
d
yr
n .1836584521621374 1.552e-09 deg/d
Q 3.502352344131326 1.9731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1548  
   data-arc span      9947 days (27.23 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:14:06  

Additional Information
 Earth MOID = 1.61273 au 
 Jupiter MOID = 1.62249 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

[ show close-approach data ]
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