+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   30851 Reissfelder (1991 TD6) Classification: Main-belt Asteroid          SPK-ID: 2030851 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO231626 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0379593 n/a   a 2.1632096 n/a AU q 2.0810957 n/a AU i 2.68143 n/a deg node 266.57919 n/a deg peri 263.79720 n/a deg M 113.94472 n/a deg tp 2456032.6777131 (2012-Apr-15.17771310) n/a JED period 1162.1075841 3.18 n/a n/a d yr n 0.30978199 n/a deg/d Q 2.2453235 n/a AU   Orbit Determination Parameters    # obs. used (total)      704      first obs. used      1987-??-??      last obs. used      2012-05-19      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.693  [ 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 (MPO 18560)   30851 Reißfelder           Discovered 1991 Oct. 2 by L. D. Schmadel and F. Börngen at Tautenburg. Günter Reißfelder (b. 1946) is a German physician and well-known expert on urology and ambulant surgery. 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: 20090607/MPCPages.arc Last Updated: 2009-06-08 Alternate Designations  1991 TD6 = 1987 KK2 = 1994 PD11 = 1999 BK3  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 23:04 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin