+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   52309 Philnicolai (1991 TQ7) Classification: Main-belt Asteroid          SPK-ID: 2052309 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04317693151171077 6.5172e-08   a 2.786864630945817 5.0165e-08 AU q 2.66653636764306 2.0488e-07 AU i 18.25601877923663 1.2166e-05 deg node 1.01162911104516 2.0361e-05 deg peri 263.4128170638064 0.00017815 deg M 322.8934974554007 0.00018587 deg tp 2456575.653878656278 (2013-Oct-10.15387866) 0.00087919 JED period 1699.308530640202 4.65 4.5882e-05 1.256e-07 d yr n .2118508755231003 5.7201e-09 deg/d Q 2.907192894248574 5.2331e-08 AU   Orbit Determination Parameters    # obs. used (total)      739      data-arc span      7886 days (21.59 yr)      first obs. used      1991-09-10      last obs. used      2013-04-13      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .51788      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 16:24:52   Additional Information  Earth MOID = 1.72171 AU   T_jup = 3.256  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.162 mag .4399 1 autocmod 2.5c 52309 Philnicolai           Discovered 1991 Oct. 7 by F. Börngen at Tautenburg. Philipp Nicolai (1556-1608) is the creator of both the words and melodies of the hymns How brightly beams the morning star! and Wake, awake! for night is flying. J. S. Bach took them as a basis for two of his cantatas. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030806/MPCPages.arc Last Updated: 2003-10-02 Alternate Designations  1991 TQ7 = 2000 QM188  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-20 10:11 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin