+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   3398 Stattmayer (1978 PC) Classification: Main-belt Asteroid          SPK-ID: 2003398 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO231425 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2371491 n/a   a 2.2871684 n/a AU q 1.7447685 n/a AU i 24.17023 n/a deg node 64.31080 n/a deg peri 42.54365 n/a deg M 257.92364 n/a deg tp 2456758.7352564 (2014-Apr-11.23525640) n/a JED period 1263.4139023 3.46 n/a n/a d yr n 0.28494225 n/a deg/d Q 2.8295683 n/a AU   Orbit Determination Parameters    # obs. used (total)      538      first obs. used      1978-??-??      last obs. used      2012-05-19      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.51      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.450  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.1 mag n/a PDS3 (MPC 28110)   rotation period rot_per 8.280 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html] 3398 Stattmayer (1978 PC)          Discovered 1978-Aug-10 by Schuster, H.-E. at LaSilla Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1978 PC = 1982 WC  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 07:46 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin