+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   2751 Campbell (1962 RP) Classification: Main-belt Asteroid          SPK-ID: 2002751 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .172936497550657 5.4112e-08   a 2.407197542570577 1.2215e-08 AU q 1.990905230645873 1.2977e-07 AU i 1.488378651823914 6.3266e-06 deg node 246.4001040646559 0.00024975 deg peri 201.4879043706817 0.00025054 deg M 129.6306578799072 2.072e-05 deg tp 2455909.285420665082 (2011-Dec-13.78542067) 7.7871e-05 JED period 1364.162239494277 3.73 1.0384e-05 2.843e-08 d yr n .2638982296808474 2.0087e-09 deg/d Q 2.823489854495281 1.4328e-08 AU   Orbit Determination Parameters    # obs. used (total)      1147      data-arc span      18490 days (50.62 yr)      first obs. used      1962-09-07      last obs. used      2013-04-22      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .50277      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 12:53:58   Additional Information  Earth MOID = 1.0067 AU   T_jup = 3.501  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.7 mag n/a PDS3 (MPC 17266)   rotation period rot_per 2.747 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] 2751 Campbell (1962 RP)          Discovered 1962-Sep-07 by Goethe Link Observatory at Brooklyn Discovered by the Indiana Asteroid Program, Goethe Link Observatory, University of Indiana. This program was conceived and directed by F. K. Edmondson; the plates were blinked and measured astrometrically by B. Potter and, following her retirement, by D. Owings; and the photometry was performed under the direction of T. Gehrels. During the years 1947-1967, in which the plates were exposed, a large number of people participated in various aspects of the program. Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1962 RP = 1973 RD = 1975 EO2 = 1977 RN6 = 1981 WF4  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 05:36 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin