+ View the NASA Portal + Near-Earth Object (NEO) Project Search JPL JPL Small-Body Database Browser Search: [ help ]   13014 Hasslacher (1987 WJ1) Classification: Main-belt Asteroid          SPK-ID: 2013014 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2455200.5 (2010-Jan-04.0) TDB Reference: MPO66000 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1315318 n/a   a 3.1519614 n/a AU q 2.7373782 n/a AU i 7.08954 n/a deg node 32.74157 n/a deg peri 357.42717 n/a deg M 358.00055 n/a deg tp 2455211.8521417 (2010-Jan-15.35214171) n/a JED period 2043.9475986 5.60 n/a n/a d yr n 0.17612976 n/a deg/d Q 3.5665446 n/a AU   Orbit Determination Parameters    # obs. used (total)      213      first obs. used      1987-??-??      last obs. used      2004-07-16      # oppositions      9      planetary ephem.      DE403      quality code      0      fit RMS      0.61      data source      MPC:mpn      producer      MPC   Additional Information  T_jup = 3.182  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.0 mag n/a PDS3 (MPC 37490)   13014 Hasslacher           Discovered 1987 Nov. 17 by R. P. Binzel at the Anderson Mesa Station of the Lowell Observatory. Marian Brasseau Hasslacher (1901-1997) and Charles Alfred (Carl) Hasslacher (1897-1973), maternal grandparents of the discoverer, encouraged and enabled his career as an astronomer. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20000523/MPCPages.arc Last Updated: 2009-05-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2009-Nov-23 21:15 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin