+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   73694 (1991 RL15) Classification: Main-belt Asteroid          SPK-ID: 2073694 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO141731 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1645703 n/a   a 3.1483351 n/a AU q 2.6302126 n/a AU i 28.18461 n/a deg node 357.01865 n/a deg peri 53.25862 n/a deg M 270.37469 n/a deg tp 2456908.4816464 (2014-Sep-07.98164640) n/a JED period 2040.4213130 5.59 n/a n/a d yr n 0.17643415 n/a deg/d Q 3.6664576 n/a AU   Orbit Determination Parameters    # obs. used (total)      299      first obs. used      1954-??-??      last obs. used      2008-07-31      # oppositions      9      planetary ephem.      DE403      condition code      0      fit RMS      0.62      data source      MPC:mpn      producer      MPCW   Additional Information  T_jup = 3.005  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.9 mag n/a MPO141731   73694 (1991 RL15)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar (675) Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 RL15 = 2002 TJ79  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-18 21:52 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin