+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5916 van der Woude (1991 JD1) Classification: Main-belt Asteroid          SPK-ID: 2005916 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO234875 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1157774 n/a   a 2.3209090 n/a AU q 2.0522002 n/a AU i 9.29980 n/a deg node 256.27920 n/a deg peri 26.90710 n/a deg M 28.85379 n/a deg tp 2456296.9891285 (2013-Jan-04.48912850) n/a JED period 1291.4737976 3.54 n/a n/a d yr n 0.27875130 n/a deg/d Q 2.5896178 n/a AU   Orbit Determination Parameters    # obs. used (total)      948      first obs. used      1977-??-??      last obs. used      2012-07-30      # oppositions      18      planetary ephem.      DE403      condition code      0      fit RMS      0.51      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.551  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.7 mag n/a PDS3 (MPC 28114)   5916 van der Woude (1991 JD1)          Discovered 1991-May-08 by Helin, E. F. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1991 JD1 = 1977 LV = 1981 RZ1  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 14:37 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin