+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   10321 Rampo (1990 UN2) Classification: Main-belt Asteroid          SPK-ID: 2010321 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO253437 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0955755 n/a   a 2.3285468 n/a AU q 2.1059948 n/a AU i 6.05844 n/a deg node 53.95957 n/a deg peri 278.79567 n/a deg M 175.84798 n/a deg tp 2455766.5416117 (2011-Jul-24.04161170) n/a JED period 1297.8540884 3.55 n/a n/a d yr n 0.27738095 n/a deg/d Q 2.5510988 n/a AU   Orbit Determination Parameters    # obs. used (total)      786      first obs. used      1990-??-??      last obs. used      2013-02-18      # oppositions      14      planetary ephem.      DE403      condition code      0      fit RMS      0.57      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.559  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.4 mag n/a PDS3 (MPC 34141)   10321 Rampo           Discovered 1990 Oct. 26 by T. Seki at Geisei. Rampo Edogawa (Hirai Taro, 1894-1965), born in Nabari city, Mie prefecture, was a writer who specialized in Japan's mystery genre. He was popular with young readers, and one of his best-known novels is The Boy Detectives Club. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20070106/MPCPages.arc Last Updated: 2007-01-09 Alternate Designations  1990 UN2 = 1996 HU14  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 17:15 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin