+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11884 (1990 RD6) Classification: Main-belt Asteroid          SPK-ID: 2011884 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256953 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1698641 n/a   a 2.6412301 n/a AU q 2.1925799 n/a AU i 12.35900 n/a deg node 343.20405 n/a deg peri 320.84142 n/a deg M 122.52766 n/a deg tp 2455866.8709970 (2011-Nov-01.37099700) n/a JED period 1567.8618289 4.29 n/a n/a d yr n 0.22961207 n/a deg/d Q 3.0898803 n/a AU   Orbit Determination Parameters    # obs. used (total)      647      first obs. used      1990-??-??      last obs. used      2013-03-02      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.342  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.7 mag n/a PDS3 (MPC 36242)   11884 (1990 RD6)          Discovered 1990-Sep-08 by Debehogne, H. at La Silla (809) Reference: 19991026/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1990 RD6 = 1990 QV10  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 03:48 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin