+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11533 Akeback (1992 EG6) Classification: Main-belt Asteroid          SPK-ID: 2011533 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1008200478556151 4.1424e-08   a 3.002452139930878 1.5131e-08 au q 2.699744771498853 1.2632e-07 au i 9.751449569907001 4.2359e-06 deg node 131.4391885218168 2.4911e-05 deg peri 132.2271535076021 3.3617e-05 deg M 58.78822621398603 2.049e-05 deg tp 2458690.186676458108 (2019-Jul-25.68667646) 0.00010859 TDB period 1900.257988197371 5.20 1.4365e-05 3.933e-08 d yr n .1894479603485338 1.4321e-09 deg/d Q 3.305159508362904 1.6657e-08 au   Orbit Determination Parameters    # obs. used (total)      1882      data-arc span      10382 days (28.42 yr)      first obs. used      1992-03-01      last obs. used      2020-08-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50434      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 00:25:28   Additional Information  Earth MOID = 1.69533 au   Jupiter MOID = 1.85157 au   T_jup = 3.223  [ 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 13.2   n/a MPO492882   diameter diameter 7.094 km 0.366 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.221   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   11533 Akebäck           Discovered 1992 Mar. 1 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets. Akebäck is a small parish centrally situated on Gotland. A village resident named Botair is said to have built the first real church on Gotland. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20120831/MPCPages.arc Last Updated: 2012-09-04 [ show close-approach data ] Alternate Designations  1992 EG6 = 1998 KW8  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-29 03:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin