+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   69231 Alettajacobs (1972 FE) Classification: Main-belt Asteroid          SPK-ID: 2069231 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO240716 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2629154 n/a   a 2.6438216 n/a AU q 1.9487202 n/a AU i 31.63697 n/a deg node 170.45545 n/a deg peri 54.99484 n/a deg M 173.68457 n/a deg tp 2455642.9603167 (2011-Mar-22.46031670) n/a JED period 1570.1699120 4.30 n/a n/a d yr n 0.22927455 n/a deg/d Q 3.3389230 n/a AU   Orbit Determination Parameters    # obs. used (total)      169      first obs. used      1972-??-??      last obs. used      2012-10-08      # oppositions      6      planetary ephem.      DE403      condition code      0      fit RMS      0.58      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.139  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.3 mag n/a MPO240716   69231 Alettajacobs           Discovered 1972 Mar. 16 by T. Gehrels at Palomar. Aletta Jacobs (1854-1929) was the first Dutch woman to graduate from a university and the first Dutch female physician. She helped initiate The Hague Congress of 1915 that led to the formation of the Women's International League for Peace and Freedom. The name was suggested by L. E. Timmerman. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20100130/MPCPages.arc Last Updated: 2013-03-29 Alternate Designations  1972 FE = 2002 EV9  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 11:13 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin