+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   18116 Prato (2000 NY22) Classification: Main-belt Asteroid          SPK-ID: 2018116 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO229178 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1759169 n/a   a 2.2750162 n/a AU q 1.8748024 n/a AU i 5.06281 n/a deg node 206.92444 n/a deg peri 229.17596 n/a deg M 154.78677 n/a deg tp 2455861.6020653 (2011-Oct-27.10206530) n/a JED period 1253.3581294 3.43 n/a n/a d yr n 0.28722836 n/a deg/d Q 2.6752300 n/a AU   Orbit Determination Parameters    # obs. used (total)      479      first obs. used      1973-??-??      last obs. used      2012-04-18      # oppositions      12      planetary ephem.      DE403      condition code      0      fit RMS      0.57      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.584  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.2 mag n/a PDS3 (MPO 4249)   18116 Prato           Discovered 2000 July 5 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station. The province of Prato, in Tuscany, Italy, has recently inaugurated a Museo di Scienze Planetarie (Museum of Planetary Sciences), the first of its kind in Italy. The name was suggested by M. Di Martino. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20051215/MPCPages.arc Last Updated: 2006-03-22 Alternate Designations  2000 NY22 = 1973 UY1 = 1987 YB2 = 1999 HN4 = 1999 JM124  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-24 02:54 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin