+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   14405 (1991 PE8) Classification: Main-belt Asteroid          SPK-ID: 2014405 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO229156 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1973686 n/a   a 2.3909647 n/a AU q 1.9190633 n/a AU i 2.18144 n/a deg node 124.04287 n/a deg peri 223.80551 n/a deg M 290.39361 n/a deg tp 2456661.5987444 (2014-Jan-04.09874440) n/a JED period 1350.3867677 3.70 n/a n/a d yr n 0.26659029 n/a deg/d Q 2.8628661 n/a AU   Orbit Determination Parameters    # obs. used (total)      629      first obs. used      1991-??-??      last obs. used      2012-04-23      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.504  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.8 mag n/a PDS3 (MPC 39820)   14405 (1991 PE8)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar (675) Reference: 20000418/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 PE8 = 1999 XH73  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-18 06:52 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin