+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   73687 Thomas Aquinas (1990 TQ2) Classification: Main-belt Asteroid          SPK-ID: 2073687 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO257334 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1538992 n/a   a 2.5795571 n/a AU q 2.1825653 n/a AU i 15.33052 n/a deg node 10.53863 n/a deg peri 303.09076 n/a deg M 206.21044 n/a deg tp 2457046.9582758 (2015-Jan-24.45827580) n/a JED period 1513.2690365 4.14 n/a n/a d yr n 0.23789557 n/a deg/d Q 2.9765489 n/a AU   Orbit Determination Parameters    # obs. used (total)      272      first obs. used      1990-??-??      last obs. used      2013-03-03      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.359  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.5 mag n/a MPO257334   73687 Thomas Aquinas           Discovered 1990 Oct. 10 by F. Börngen and L. D. Schmadel at Tautenburg. Thomas Aquinas (1225?-1274), Italian Tommaso d´Aquino, surnamed `Doctor Angelicus', is one of the foremost medieval theologians and philosophers. He wrote several major books, including (Summa theologiae and Summa contra gentiles), and he tried to reconcile faith with reason. The name was suggested by the first discoverer. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20041126/MPCPages.arc Last Updated: 2004-12-06 Alternate Designations  1990 TQ2 = 1997 EM57  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-25 11:52 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin