+ View the NASA Portal + Near-Earth Object (NEO) Project Search JPL JPL Small-Body Database Browser Search: [ help ]   2912 Lapalma (1942 DM) Classification: Main-belt Asteroid          SPK-ID: 2002912 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2455200.5 (2010-Jan-04.0) TDB Reference: MPO53553 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0707459 n/a   a 2.2895565 n/a AU q 2.1275798 n/a AU i 7.27682 n/a deg node 108.19266 n/a deg peri 76.62193 n/a deg M 180.62801 n/a deg tp 2455830.9891128 (2011-Sep-26.48911280) n/a JED period 1265.3931118 3.46 n/a n/a d yr n 0.28449657 n/a deg/d Q 2.4515332 n/a AU   Orbit Determination Parameters    # obs. used (total)      283      first obs. used      1942-??-??      last obs. used      2003-10-21      # oppositions      13      planetary ephem.      DE403      quality code      1      fit RMS      0.67      data source      MPC:mpn      producer      MPC   Additional Information  T_jup = 3.585  [ 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 17267)   SMASSII spectral type spec_B V   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) 2912 Lapalma (1942 DM)           Discovered 1942-Feb-18 by Oterma, L. at Turku Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1942 DM = 1956 EN = 1973 AJ2 = 1973 CB = 1979 YJ = 1980 BG = 1980 DY5  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2010-Feb-10 06:16 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin