+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   22325 (1991 RE19) Classification: Main-belt Asteroid          SPK-ID: 2022325 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO233645 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1345301 n/a   a 2.3968995 n/a AU q 2.0744444 n/a AU i 6.13601 n/a deg node 327.38549 n/a deg peri 7.00598 n/a deg M 309.27593 n/a deg tp 2456591.4786184 (2013-Oct-25.97861840) n/a JED period 1355.4177062 3.71 n/a n/a d yr n 0.26560078 n/a deg/d Q 2.7193546 n/a AU   Orbit Determination Parameters    # obs. used (total)      736      first obs. used      1991-??-??      last obs. used      2012-06-24      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.508  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.3 mag n/a PDS3 (MPO 9963)   22325 (1991 RE19)          Discovered 1991-Sep-14 by Holt, H. E. at Palomar (675) Reference: 20010309/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 RE19 = 1997 EJ59 = 1999 XK190  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 08:03 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin