+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   18845 Cichocki (1999 RY27) Classification: Main-belt Asteroid          SPK-ID: 2018845 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO253495 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1217577 n/a   a 2.6384019 n/a AU q 2.3171562 n/a AU i 12.56888 n/a deg node 353.03728 n/a deg peri 228.63734 n/a deg M 171.13826 n/a deg tp 2455656.3603334 (2011-Apr-04.86033340) n/a JED period 1565.3441842 4.29 n/a n/a d yr n 0.22998137 n/a deg/d Q 2.9596476 n/a AU   Orbit Determination Parameters    # obs. used (total)      916      first obs. used      1987-??-??      last obs. used      2013-02-02      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.52      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.352  [ 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 (MPO 5312)   18845 Cichocki           Discovered 1999 Sept. 7 by H. Mikuz at Crni Vrh Observatory. Bruno Cichocki (1908-2001) was a civil engineer with a vivid interest in astronomy. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20050919/MPCPages.arc Last Updated: 2005-09-26 Alternate Designations  1999 RY27 = 1987 VN = 1998 FU114  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 04:14 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin