+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   10431 Pottasch (4042 P-L) Classification: Main-belt Asteroid          SPK-ID: 2010431 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256942 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2042910 n/a   a 2.7556726 n/a AU q 2.1927135 n/a AU i 4.89904 n/a deg node 195.82275 n/a deg peri 228.95302 n/a deg M 138.40256 n/a deg tp 2455758.1355783 (2011-Jul-15.63557830) n/a JED period 1670.8592083 4.57 n/a n/a d yr n 0.21545801 n/a deg/d Q 3.3186317 n/a AU   Orbit Determination Parameters    # obs. used (total)      716      first obs. used      1960-??-??      last obs. used      2013-03-20      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.56      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.308  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.3 mag n/a PDS3 (MPC 34167)   10431 Pottasch           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels. Stuart S. Pottasch (b. 1932) is an American astrophysics professor in Groningen. He is an expert on planetary nebulae, on which subject he wrote a monograph. In addition, he is a specialist on cacti and parrots. The citation was prepared by U. Schwarz. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20010705/MPCPages.arc Last Updated: 2009-05-11 Alternate Designations  4042 P-L = 1997 XK5  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 04:20 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin