+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1851438901866775 3.4872e-08   a 2.775533958236993 1.4323e-08 au q 2.261660803863769 9.5847e-08 au i 3.806215344213657 3.8236e-06 deg node 76.46489501555405 6.0882e-05 deg peri 211.4857186984053 6.1706e-05 deg M 276.2336125144378 1.1089e-05 deg tp 2459593.493647544908 (2022-Jan-13.99364755) 5.2991e-05 TDB period 1688.955646327132 4.62 1.3074e-05 3.579e-08 d yr n .2131494694859927 1.6499e-09 deg/d Q 3.289407112610217 1.6975e-08 au   Orbit Determination Parameters    # obs. used (total)      1643      data-arc span      16136 days (44.18 yr)      first obs. used      1976-10-22      last obs. used      2020-12-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5306      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:03:10   Additional Information  Earth MOID = 1.24444 au   Jupiter MOID = 1.88486 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 14.27   n/a E2021B10   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-Apr-12 14:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin