+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   3870 Mayre (1988 CG3) Classification: Main-belt Asteroid          SPK-ID: 2003870 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250242 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1654404 n/a   a 2.6218411 n/a AU q 2.1880827 n/a AU i 12.35492 n/a deg node 202.04667 n/a deg peri 66.05916 n/a deg M 233.19817 n/a deg tp 2456946.6739709 (2014-Oct-16.17397090) n/a JED period 1550.6292734 4.25 n/a n/a d yr n 0.23216381 n/a deg/d Q 3.0555995 n/a AU   Orbit Determination Parameters    # obs. used (total)      996      first obs. used      1968-??-??      last obs. used      2013-01-22      # oppositions      19      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.352  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.2 mag n/a PDS3 (MPC 28110)   rotation period rot_per 3.9915 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Carbognani, A. (2011) Minor Planet Bul. 38, 57-63.] [Ferrero, A. (2011) Minor Planet Bul. 38, 49-50.] 3870 Mayre (1988 CG3)          Discovered 1988-Feb-13 by Elst, E. W. at La Silla (809) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1988 CG3 = 1968 QG = 1973 US4 = 1977 VO1 = 1981 UZ15 = 1984 FJ2 = 1986 XL4  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 22:25 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin