+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   4036 Whitehouse (1987 DW5) Classification: Main-belt Asteroid          SPK-ID: 2004036 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO244214 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1522347 n/a   a 2.7986857 n/a AU q 2.3726286 n/a AU i 4.67853 n/a deg node 157.98403 n/a deg peri 336.67450 n/a deg M 218.33073 n/a deg tp 2457073.4809648 (2015-Feb-19.98096480) n/a JED period 1710.1319666 4.68 n/a n/a d yr n 0.21051007 n/a deg/d Q 3.2247428 n/a AU   Orbit Determination Parameters    # obs. used (total)      1021      first obs. used      1952-??-??      last obs. used      2012-11-06      # oppositions      21      planetary ephem.      DE403      condition code      0      fit RMS      0.59      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.304  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.5 mag n/a PDS3 (MPC 28111)   SMASSII spectral type spec_B Cg   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 4036 Whitehouse           Discovered 1987 Feb. 21 by H. Debehogne at the European Southern Observatory. As a science journalist and particularly as BBC Online's Science Editor David Whitehouse (b. 1956) has had an important influence on science writing for an international public. His Aliens beneath the Ice won a U.K. Glaxo award in 1998, and he received the European Internet Journalist of the Year award in 2002. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060413/MPCPages.arc Last Updated: 2006-04-17 Alternate Designations  1987 DW5 = 1959 EP = 1971 SO3 = 1976 YN4 = 1978 EE3 = 1982 BX8  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 21:34 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin