+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11935 Olakarlsson (1993 FB8) Classification: Main-belt Asteroid          SPK-ID: 2011935 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1851432305000786 2.9378e-08   a 2.775011440532212 1.1369e-08 au q 2.261236857757401 8.4573e-08 au i 3.806348105268126 3.3652e-06 deg node 76.46229503728682 5.2795e-05 deg peri 211.5483800585777 5.3734e-05 deg M 317.9619118040643 1.0273e-05 deg tp 2459593.667826963791 (2022-Jan-14.16782696) 4.8324e-05 TDB period 1688.478728531412 4.62 1.0377e-05 2.841e-08 d yr n .2132096744346417 1.3103e-09 deg/d Q 3.288786023307022 1.3474e-08 au   Orbit Determination Parameters    # obs. used (total)      1974      data-arc span      16318 days (44.68 yr)      first obs. used      1976-10-22      last obs. used      2021-06-26      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50244      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 02:50:23   Additional Information  Earth MOID = 1.24563 au   Jupiter MOID = 1.88467 au   T_jup = 3.307  [ 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 14.30   n/a MPO614063   diameter diameter 4.888 km 1.359 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.169   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   11935 Olakarlsson           Discovered 1993 Mar. 17 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets. Ola Karlsson (b. 1973) has for several years been studying Jupiter Trojans, both by physical observations and by numerical integrations resulting in his thesis A Study of Jupiter Trojans. 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  1993 FB8 = 1976 UJ17 = 1998 KC19  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jul-25 14:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin