+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1433990258774795 4.4522e-08   a 2.697023629448952 1.3906e-08 au q 2.310273068217428 1.2211e-07 au i 9.861798408637979 3.9599e-06 deg node 84.78314661950891 2.8773e-05 deg peri 268.7228244149 3.2163e-05 deg M 252.2312138507273 1.788e-05 deg tp 2459684.801756866342 (2022-Apr-15.30175687) 8.2034e-05 TDB period 1617.802693169331 4.43 1.2512e-05 3.426e-08 d yr n .2225240454351992 1.721e-09 deg/d Q 3.083774190680476 1.59e-08 au   Orbit Determination Parameters    # obs. used (total)      1477      data-arc span      9747 days (26.69 yr)      first obs. used      1994-05-13      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51512      source      ORB      producer      Otto Matic      solution date      2021-Feb-23 19:01:21   Additional Information  Earth MOID = 1.32928 au   Jupiter MOID = 2.40161 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 14.18   n/a E2021B10   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-Apr-12 13:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin