+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   1965 van de Kamp (2521 P-L) Classification: Main-belt Asteroid          SPK-ID: 2001965 [ 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 .1055027510551458 4.8702e-08   a 2.56897237037417 1.1001e-08 AU q 2.297938717915036 1.2245e-07 AU i 2.220476592597874 5.7372e-06 deg node 88.23662994877805 0.00014882 deg peri 343.4632867394003 0.00015234 deg M 223.8453759655983 3.3173e-05 deg tp 2456969.310325534534 (2014-Nov-07.81032553) 0.00013946 JED period 1503.964471604674 4.12 9.6605e-06 2.645e-08 d yr n .2393673566077617 1.5375e-09 deg/d Q 2.840006022833304 1.2162e-08 AU   Orbit Determination Parameters    # obs. used (total)      1369      data-arc span      20632 days (56.49 yr)      first obs. used      1956-10-10      last obs. used      2013-04-06      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .54071      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 12:48:41   Additional Information  Earth MOID = 1.3119 AU   T_jup = 3.422  [ 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 11.9 mag n/a PDS3 (MPC 17264)   rotation period rot_per 36. h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) lower-limit; Result based on fragmentary lightcurve(s), may be completely wrong. Published Reference List: [Hayes-Gehrke, M.A.; Fromm, T.; Junghans, P.; Lochan, I.; Murphy, S. (2011) Minor Planet Bul. 38, 204-205.] 1965 van de Kamp           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 Peter van de Kamp, director of Sproul Observatory from 1937 until 1972, well known for his investigations on astrometric binary stars. 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  2521 P-L = 1927 QG = 1956 TN  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 18:57 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin