+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   37558 (1984 SG6) Classification: Main-belt Asteroid          SPK-ID: 2037558 [ 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 .1818009044210684 9.929e-08   a 2.976146954753894 3.1349e-08 AU q 2.435080746689628 2.8708e-07 AU i 12.86332312374607 8.4305e-06 deg node 169.7621718464803 3.1478e-05 deg peri 237.9342399690959 3.7483e-05 deg M 172.8702254308929 2.1366e-05 deg tp 2455499.971043487828 (2010-Oct-30.47104349) 0.00010569 JED period 1875.339859922732 5.13 2.9631e-05 8.113e-08 d yr n .1919652046508694 3.0331e-09 deg/d Q 3.517213162818161 3.7049e-08 AU   Orbit Determination Parameters    # obs. used (total)      769      data-arc span      10434 days (28.57 yr)      first obs. used      1984-09-22      last obs. used      2013-04-17      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .52192      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 15:25:27   Additional Information  Earth MOID = 1.47032 AU   T_jup = 3.198  [ 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 13.6 mag n/a PDS3 (MPO 26199)   37558 (1984 SG6)          Discovered 1984-Sep-22 by Debehogne, H. at La Silla (809) Reference: 20020328/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1984 SG6 = 1999 RG116  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 07:34 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin