+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   35105 (1991 RP23) Classification: Main-belt Asteroid          SPK-ID: 2035105 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO253599 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0907022 n/a   a 2.5932054 n/a AU q 2.3579960 n/a AU i 14.99559 n/a deg node 9.63606 n/a deg peri 267.31909 n/a deg M 126.40596 n/a deg tp 2455864.9267768 (2011-Oct-30.42677680) n/a JED period 1525.2948543 4.18 n/a n/a d yr n 0.23601994 n/a deg/d Q 2.8284148 n/a AU   Orbit Determination Parameters    # obs. used (total)      638      first obs. used      1991-??-??      last obs. used      2013-02-06      # oppositions      10      planetary ephem.      DE403      condition code      0      fit RMS      0.50      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.365  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.1 mag n/a PDS3 (MPO 24105)   35105 (1991 RP23)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar (675) Reference: 20020227/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 RP23 = 1998 FQ90  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-18 15:14 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin