+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   3492 Petra-Pepi (1985 DQ) Classification: Main-belt Asteroid          SPK-ID: 2003492 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO253386 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1448767 n/a   a 2.6162897 n/a AU q 2.2372503 n/a AU i 13.60458 n/a deg node 138.89696 n/a deg peri 96.74036 n/a deg M 173.42170 n/a deg tp 2455655.8912865 (2011-Apr-04.39128650) n/a JED period 1545.7070070 4.23 n/a n/a d yr n 0.23290313 n/a deg/d Q 2.9953291 n/a AU   Orbit Determination Parameters    # obs. used (total)      1086      first obs. used      1951-??-??      last obs. used      2013-01-26      # oppositions      19      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.353  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.8 mag n/a PDS3 (MPC 28110)   rotation period rot_per 47.05 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Stephens, R.D. (2011) Minor Planet Bul. 38, 211-212.] 3492 Petra-Pepi (1985 DQ)          Discovered 1985-Feb-16 by Mahrova, M. at Klet Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1985 DQ = 1951 CG = 1977 JD1 = 1978 SA1 = 1978 TK9 = 1980 CB  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 23:08 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin