+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   26834 (1990 RM9) Classification: Main-belt Asteroid          SPK-ID: 2026834 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO240417 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2629453 n/a   a 2.4056133 n/a AU q 1.7730686 n/a AU i 5.37316 n/a deg node 244.86702 n/a deg peri 106.07214 n/a deg M 14.30683 n/a deg tp 2456346.3400730 (2013-Feb-22.84007300) n/a JED period 1362.8157833 3.73 n/a n/a d yr n 0.26415896 n/a deg/d Q 3.0381580 n/a AU   Orbit Determination Parameters    # obs. used (total)      632      first obs. used      1990-??-??      last obs. used      2012-09-06      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.57      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.469  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.4 mag n/a PDS3 (MPO 14472)   26834 (1990 RM9)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar (675) Reference: 20010804/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1990 RM9 = 1996 EY11  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 22:06 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin