+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   1964 Luyten (2007 P-L) Classification: Main-belt Asteroid          SPK-ID: 2001964 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .194734894602305 6.2441e-08   a 2.465987125332029 8.3897e-09 AU q 1.985773382389855 1.5273e-07 AU i 2.38440568032079 6.6266e-06 deg node 238.6237183927486 0.00015464 deg peri 163.3301353946853 0.00015633 deg M 181.8974638982923 2.2928e-05 deg tp 2457100.265032847277 (2015-Mar-18.76503285) 9.2085e-05 JED period 1414.440340597734 3.87 7.2182e-06 1.976e-08 d yr n .2545176276914346 1.2989e-09 deg/d Q 2.946200868274203 1.0023e-08 AU   Orbit Determination Parameters    # obs. used (total)      1050      data-arc span      29038 days (79.50 yr)      first obs. used      1933-10-21      last obs. used      2013-04-22      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .54888      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 12:48:41   Additional Information  Earth MOID = .993729 AU   T_jup = 3.459  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.2 mag n/a PDS3 (MPC 17264)   1964 Luyten           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten- Groeneveld at Leiden, on Palomar Schmidt plates taken by T. Gehrels. Named in honor of Willem Jacob Luyten, emeritus professor of astronomy at the University of Minnesota, well known for his investigations on stars with large proper motion. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC 5038 Last Updated: 2006-03-21 Alternate Designations  2007 P-L = 1929 TU = 1933 UA1  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 16:55 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin