+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11478 (1985 CD) Classification: Main-belt Asteroid          SPK-ID: 2011478 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250326 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1277007 n/a   a 2.5823663 n/a AU q 2.2525963 n/a AU i 14.71409 n/a deg node 151.66422 n/a deg peri 54.67308 n/a deg M 244.73450 n/a deg tp 2456885.8131362 (2014-Aug-16.31313620) n/a JED period 1515.7417358 4.15 n/a n/a d yr n 0.23750748 n/a deg/d Q 2.9121363 n/a AU   Orbit Determination Parameters    # obs. used (total)      984      first obs. used      1978-??-??      last obs. used      2013-01-16      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.367  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.4 mag n/a PDS3 (MPC 35827)   11478 (1985 CD)          Discovered 1985-Feb-14 by Suzuki, K., Urata, T. at Toyota (881) Reference: 19990928/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1985 CD = 1978 PP4 = 1998 KD54  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 19:41 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin