+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   34D/Gale Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000284 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] alternate orbits: [epoch=1938-07-01.0] SAO/1938 (default) [epoch=1927-06-09.0] SAO/1927 Orbital Elements at Epoch 2429080.5 (1938-Jul-01.0) TDB Reference: SAO/1938 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.760719 n/a   a 4.9435893 n/a AU q 1.182907 n/a AU i 11.7281 n/a deg node 67.9235 n/a deg peri 209.1572 n/a deg M 1.1223642 n/a deg tp 2429067.9832 (1938-Jun-18.48320000) n/a JED period 4017.75 11.00 n/a n/a d yr n 0.0896686 n/a deg/d Q 8.7042717 n/a AU   Orbit Determination Parameters    # obs. used (total)      47      first obs. used      1927-??-??      last obs. used      1938-??-??      producer      Marsden   Additional Information  T_jup = 2.291   2008 SAO Comet Catalog  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes comet total magnitude M1 10.5 mag n/a ICQ 2004 Handbook   comet total magnitude slope K1 20.0   n/a ICQ 2004 Handbook   Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   1938.5   34D/1938 J1   1938    1938a   1927.5   34D/1927 L1   1927 VI   1927f  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2013-May-19 16:19 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin