+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   48889 (1998 KZ9) Classification: Main-belt Asteroid          SPK-ID: 2048889 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250661 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1747944 n/a   a 2.2749867 n/a AU q 1.8773318 n/a AU i 4.30623 n/a deg node 51.91771 n/a deg peri 263.35711 n/a deg M 73.28721 n/a deg tp 2456145.3518533 (2012-Aug-05.85185330) n/a JED period 1253.3337372 3.43 n/a n/a d yr n 0.28723395 n/a deg/d Q 2.6726416 n/a AU   Orbit Determination Parameters    # obs. used (total)      650      first obs. used      1991-??-??      last obs. used      2012-12-31      # oppositions      12      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.586  [ 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 MPO250661   48889 (1998 KZ9)          Discovered 1998-May-24 by BAO Schmidt CCD Asteroid Program at Xinglong (327) Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1998 KZ9 = 2000 AH14  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 00:08 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin