+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   19912 Aurapenenta (1955 RE1) Classification: Main-belt Asteroid          SPK-ID: 2019912 [ 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 .2533550537075226 9.4474e-08   a 2.378404440679229 9.1565e-09 AU q 1.775823655872733 2.2525e-07 AU i 7.23915606846362 8.6156e-06 deg node 319.5494664219307 4.79e-05 deg peri 22.39166544160361 4.9227e-05 deg M 261.4110864618403 1.301e-05 deg tp 2456767.404102124627 (2014-Apr-19.90410212) 4.9328e-05 JED period 1339.759938765742 3.67 7.7369e-06 2.118e-08 d yr n .2687048549396476 1.5517e-09 deg/d Q 2.980985225485726 1.1476e-08 AU   Orbit Determination Parameters    # obs. used (total)      869      data-arc span      21036 days (57.59 yr)      first obs. used      1955-09-14      last obs. used      2013-04-18      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .53244      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 14:24:27   Additional Information  Earth MOID = .769308 AU   T_jup = 3.485  [ 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 14.0 mag n/a PDS3 (MPO 7671)   19912 Aurapenenta           Discovered 1955 Sept. 14 at the Goethe Link Observatory, Indiana University. Aurapenenta honors the fiftieth anniversary of the Association of Universities for Research in Astronomy, which transformed American astronomy through its stewardship of the National Optical Astronomy Observatory, the National Solar Observatory, the Gemini Observatory and the Space Telescope Science Institute. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20070601/MPCPages.arc Last Updated: 2007-06-06 Alternate Designations  1955 RE1 = 1955 TF = 1988 SY = 1998 FG105  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-18 15:48 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin