Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435333436769596 3.1643e-08  
a 3.068296328654619 1.3748e-08 au
q 2.627893497211082 1.0048e-07 au
i 5.873749672804871 3.7002e-06 deg
node 113.6914721025748 3.7739e-05 deg
peri 159.7711977393758 4.0363e-05 deg
M 23.51453835197038 1.3708e-05 deg
tp 2459268.273338951444
(2021-Feb-22.77333895)
7.4783e-05 TDB
period 1963.108834480357
5.37
1.3195e-05
3.613e-08
d
yr
n .1833825989048099 1.2326e-09 deg/d
Q 3.508699160098156 1.5722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1750  
   data-arc span      10366 days (28.38 yr)  
   first obs. used      1993-03-17  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51197  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:10:56  

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 13.67   n/a MPO636237  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1904-Apr-08 23:59 00:02 Jupiter 1.89378707308167 1.89378590370048 1.89378824246543 3.07514299275871 2.92608556118905 2416579.499543964 2.36409937407731 140.576811411584 15.8960019408811 -77.1231848496122 2927403.4654334 T 31 CATAB v2.0g-lin.ifort 2021-Aug-25 13:11:02 2021-Aug-25 13:11
1953-Aug-01 01:05 00:01 Jupiter 1.60542205015697 1.60542173272759 1.60542236758617 1.67025031166981 1.31701701376877 2434590.544851894 1.3624354507753 93.4577320124378 54.0578845902622 -74.7420845939092 2505690.49995108 T 31 CATAB v2.0g-lin.ifort 2021-Aug-25 13:11:02 2021-Aug-25 13:11
2002-Nov-03 09:20 < 00:01 Jupiter 1.91032983241352 1.91032939815813 1.91033026666892 2.63354020531979 2.4594211884396 2452581.889152769 0.344829345162948 44.7952917976049 10.683001582951 -77.6535661043514 3101793.71699741 T 31 CATAB v2.0g-lin.ifort 2021-Aug-25 13:11:02 2021-Aug-25 13:11
2012-May-22 20:12 < 00:01 Jupiter 1.64109989849948 1.6410995356034 1.64110026139548 1.76528539017884 1.44359638883681 2456070.341500111 0.22792729168106 86.4684433538184 35.7558491316369 89.8473430667458 2637685.32289533 T 31 CATAB v2.0g-lin.ifort 2021-Aug-25 13:11:02 2021-Aug-25 13:11
2061-Aug-30 05:38 < 00:01 Jupiter 1.76500037743825 1.76499978944967 1.76500096542713 2.21246674666976 1.9837364822227 2474066.734556099 0.97852678193614 76.6938362066473 12.2092710048331 -81.1044914755258 2421731.16899988 T 31 CATAB v2.0g-lin.ifort 2021-Aug-25 13:11:02 2021-Aug-25 13:11
2071-Mar-09 23:01 00:01 Jupiter 1.73434201521313 1.73434136274774 1.73434266767931 2.17076858076582 1.93273665442753 2477545.458936897 1.2465483591625 105.580966704217 8.16786433702172 87.4968004669891 2732274.19765216 T 31 CATAB v2.0g-lin.ifort 2021-Aug-25 13:11:02 2021-Aug-25 13:11
2120-Jun-24 04:46 00:02 Jupiter 1.65872229808297 1.65872159328407 1.65872300288385 1.92336817959874 1.63647487420993 2495548.698670654 2.19518339347491 130.869690312015 31.3646463363146 89.852600317658 2115768.20898308 T 31 CATAB v2.0g-lin.ifort 2021-Aug-25 13:11:02 2021-Aug-25 13:11
2129-Dec-29 17:25 00:02 Jupiter 1.86217418239458 1.8621729139233 1.86217545086914 2.84861122419749 2.68418933589862 2499024.225717521 2.41730840287217 155.065137123575 14.5224719990472 -79.0447541094301 2947272.8435946 T 31 CATAB v2.0g-lin.ifort 2021-Aug-25 13:11:02 2021-Aug-25 13:11
2179-Apr-20 23:13 00:03 Jupiter 1.61342954042405 1.61342918574583 1.61342989510245 1.78083855856939 1.45650975876494 2517033.467689361 3.42703342639006 97.2623431085709 50.8049638740868 88.9462081415518 2136509.75305052 T 31 CATAB v2.0g-lin.ifort 2021-Aug-25 13:11:02 2021-Aug-25 13:11
2188-Oct-31 12:53 00:03 Jupiter 1.99951345061281 1.99951156951989 1.99951533171174 3.64713246855133 3.52907163752004 2520515.036905018 3.45816109253659 205.641151544269 18.6119217335203 -70.0510880500846 3190753.84204929 T 31 CATAB v2.0g-lin.ifort 2021-Aug-25 13:11:02 2021-Aug-25 13:11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 12:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin