+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   3674 Erbisbuhl (1963 RH) Classification: Mars-crossing Asteroid          SPK-ID: 2003674 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO233534 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.3748270 n/a   a 2.3608658 n/a AU q 1.4759496 n/a AU i 21.03435 n/a deg node 296.92193 n/a deg peri 98.19700 n/a deg M 231.55608 n/a deg tp 2456873.2335402 (2014-Aug-03.73354020) n/a JED period 1324.9679275 3.63 n/a n/a d yr n 0.27170469 n/a deg/d Q 3.2457820 n/a AU   Orbit Determination Parameters    # obs. used (total)      599      first obs. used      1963-??-??      last obs. used      2012-06-23      # oppositions      15      planetary ephem.      DE403      condition code      0      fit RMS      0.42      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.370  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.1 mag n/a PDS3 (MPC 28110)   rotation period rot_per 11.28 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Koff, R.A. (2004) Minor Planet Bul. 31, 33-34.] SMASSII spectral type spec_B Sk   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 3674 Erbisbuhl (1963 RH)          Discovered 1963-Sep-13 by Hoffmeister, C. at Sonneberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1963 RH = 1970 OD = 1986 AA  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 14:26 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin