+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1850982821239171 3.5237e-08   a 2.776100886185998 1.4476e-08 au q 2.262249381150286 9.6654e-08 au i 3.806230984808687 3.8538e-06 deg node 76.47054748529702 6.0946e-05 deg peri 211.4146181494523 6.177e-05 deg M 233.6828718815665 1.102e-05 deg tp 2459593.303878543995 (2022-Jan-13.80387854) 5.3153e-05 TDB period 1689.473149482532 4.63 1.3214e-05 3.618e-08 d yr n .213084179591883 1.6667e-09 deg/d Q 3.28995239122171 1.7155e-08 au   Orbit Determination Parameters    # obs. used (total)      1639      data-arc span      15941 days (43.64 yr)      first obs. used      1976-10-22      last obs. used      2020-06-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53122      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:56:17   Additional Information  Earth MOID = 1.24695 au   Jupiter MOID = 1.88475 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 14.3   n/a MPO350896   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-Jan-24 13:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin