+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   11613 (1995 YN4) Classification: Main-belt Asteroid          SPK-ID: 2011613 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1110060984353515 7.7688e-08   a 2.986599622684396 3.535e-08 AU q 2.655068850981708 2.2538e-07 AU i 9.421938298275718 9.3673e-06 deg node 342.7232686358284 3.8291e-05 deg peri 66.21940148480681 5.708e-05 deg M 169.3101245544252 4.112e-05 deg tp 2455513.866035001707 (2010-Nov-13.36603500) 0.00021346 JED period 1885.228235697043 5.16 3.3471e-05 9.164e-08 d yr n .19095831113886 3.3903e-09 deg/d Q 3.318130394387083 3.9274e-08 AU   Orbit Determination Parameters    # obs. used (total)      907      data-arc span      21743 days (59.53 yr)      first obs. used      1953-10-07      last obs. used      2013-04-18      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .5359      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:45:17   Additional Information  Earth MOID = 1.68069 AU   T_jup = 3.228  [ show covariance matrix ] [ 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 35862)   11613 (1995 YN4)          Discovered 1995-Dec-23 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905) Reference: 19990928/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1995 YN4 = 1953 TS = 1979 VJ1  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-21 13:29 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin