+ 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 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1008200502152293 4.2868e-08   a 3.002452139404165 1.5353e-08 au q 2.699744763940615 1.312e-07 au i 9.751449764083018 4.2672e-06 deg node 131.4391867131405 2.5293e-05 deg peri 132.2271559061128 3.4027e-05 deg M 58.78822586408879 2.0563e-05 deg tp 2458690.186678386695 (2019-Jul-25.68667839) 0.00010901 TDB period 1900.257987697334 5.20 1.4575e-05 3.99e-08 d yr n .1894479603983854 1.4531e-09 deg/d Q 3.305159514867717 1.6901e-08 au   Orbit Determination Parameters    # obs. used (total)      1815      data-arc span      10328 days (28.28 yr)      first obs. used      1992-03-01      last obs. used      2020-06-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51091      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 17:16:35   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-Aug-13 21:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin