+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   6601 (1988 XK1) Classification: Main-belt Asteroid          SPK-ID: 2006601 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO234879 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.2361513 n/a   a 2.3722363 n/a AU q 1.8120296 n/a AU i 2.26279 n/a deg node 71.97624 n/a deg peri 270.82839 n/a deg M 310.66316 n/a deg tp 2456583.3959804 (2013-Oct-17.89598040) n/a JED period 1334.5514823 3.65 n/a n/a d yr n 0.26975355 n/a deg/d Q 2.9324430 n/a AU   Orbit Determination Parameters    # obs. used (total)      1117      first obs. used      1973-??-??      last obs. used      2012-07-18      # oppositions      19      planetary ephem.      DE403      condition code      0      fit RMS      0.55      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.505  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.8 mag n/a PDS3 (MPC 28115)   6601 (1988 XK1)          Discovered 1988-Dec-07 by Ueda, S., Kaneda, H. at Kushiro (399) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1988 XK1 = 1973 SH6 = 1973 SP3 = 1984 UN  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 17:13 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin