+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1006456952771499 3.1255e-08   a 3.001443941615539 1.3531e-08 au q 2.699361529276253 9.0887e-08 au i 9.751953613559538 3.6016e-06 deg node 131.4415002955427 2.1392e-05 deg peri 132.0570797917065 2.9872e-05 deg M 96.87193226392429 1.9859e-05 deg tp 2458689.419579787401 (2019-Jul-24.91957979) 0.00010505 TDB period 1899.300932444126 5.20 1.2844e-05 3.516e-08 d yr n .1895434229775963 1.2818e-09 deg/d Q 3.303526353954824 1.4893e-08 au   Orbit Determination Parameters    # obs. used (total)      2288      data-arc span      10549 days (28.88 yr)      first obs. used      1992-03-01      last obs. used      2021-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47651      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:01:08   Additional Information  Earth MOID = 1.69325 au   Jupiter MOID = 1.8517 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 13.22   n/a E2021B10   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 ] 2021-Feb-24 21:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin