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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428085048715302 3.9551e-08  
a 3.065768854710854 1.7027e-08 au
q 2.627950988287894 1.2914e-07 au
i 5.874688641690421 3.7204e-06 deg
node 113.6907467197235 4.4216e-05 deg
peri 159.7757838681062 4.6862e-05 deg
M 347.556121660824 1.691e-05 deg
tp 2459268.273637340395
(2021-Feb-22.77363734)
9.2278e-05 TDB
period 1960.68370145748
5.37
1.6334e-05
4.472e-08
d
yr
n .1836094214137614 1.5296e-09 deg/d
Q 3.503586721133815 1.9459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1592  
   data-arc span      9989 days (27.35 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-07-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:00:25  

Additional Information
 Earth MOID = 1.61075 au 
 Jupiter MOID = 1.62048 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 13.63   n/a E2021B10  
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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