+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11126 Dolecek (1996 TC15) Classification: Main-belt Asteroid          SPK-ID: 2011126 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ 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 .1432502943820951 4.4528e-08   a 2.697252533299917 1.3972e-08 au q 2.310870313881852 1.2209e-07 au i 9.861591934975079 3.9602e-06 deg node 84.78501819111212 2.8785e-05 deg peri 268.7223460289094 3.2181e-05 deg M 207.7153688057978 1.775e-05 deg tp 2459684.938477352498 (2022-Apr-15.43847735) 8.2125e-05 TDB period 1618.008658619519 4.43 1.2572e-05 3.442e-08 d yr n .2224957190940815 1.7288e-09 deg/d Q 3.083634752717982 1.5973e-08 au   Orbit Determination Parameters    # obs. used (total)      1472      data-arc span      9504 days (26.02 yr)      first obs. used      1994-05-13      last obs. used      2020-05-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51576      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 03:01:38   Additional Information  Earth MOID = 1.33154 au   Jupiter MOID = 2.40154 au   T_jup = 3.333  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.2   n/a MPO467790   diameter diameter 4.039 km 1.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.298   0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   11126 Doleček           Discovered 1996 Oct. 15 by P. Pravec at Ondřejov. Josef ("Jožka") Doleček (b. 1912) had a principal role in building the public observatory of Valašské Meziříčí and was its first director. His work gave a basis for the observatory's success in astronomy popularization in the Czech Republic. The name was suggested by L. Lenža. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 19991123/MPCPages.arc Last Updated: 2010-06-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-24 23:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin