+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   9919 Undset (1979 QF1) Classification: Main-belt Asteroid          SPK-ID: 2009919 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250309 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2102268 n/a   a 2.3795239 n/a AU q 1.8792842 n/a AU i 1.60601 n/a deg node 212.59013 n/a deg peri 164.06510 n/a deg M 28.68707 n/a deg tp 2456293.6640940 (2013-Jan-01.16409400) n/a JED period 1340.7059748 3.67 n/a n/a d yr n 0.26851525 n/a deg/d Q 2.8797636 n/a AU   Orbit Determination Parameters    # obs. used (total)      665      first obs. used      1979-??-??      last obs. used      2013-01-22      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.57      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.508  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.2 mag n/a PDS3 (MPC 33652)   9919 Undset           Discovered 1979 Aug. 22 by C.-I. Lagerkvist at the European Southern Observatory. The Norwegian author Sigrid Undset (1882-1949) received the Nobel prize for literature in 1928. She is best known for her trilogy Kristin Lavransdatter about a couple's love and life in Norway in the thirteenth century. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20020921/MPCPages.arc Last Updated: 2003-10-02 Alternate Designations  1979 QF1 = 1990 SK18 = 1994 UO2  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-25 07:08 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin