+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   118401 LINEAR (1999 RE70) Classification: Main-belt Asteroid          SPK-ID: 2118401 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 49 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1935300290777463 1.0578e-07   a 3.192720504799587 4.8424e-08 AU q 2.574833212668606 3.2327e-07 AU i .2349958619296286 7.0244e-06 deg node 345.9808977726298 0.0018175 deg peri 35.61270494333944 0.0018168 deg M 113.8488315028748 1.9644e-05 deg tp 2455741.529677843218 (2011-Jun-29.02967784) 0.00010987 JED period 2083.722009658495 5.70 4.7406e-05 1.298e-07 d yr n .1727677676443035 3.9306e-09 deg/d Q 3.810607796930567 5.7796e-08 AU   Orbit Determination Parameters    # obs. used (total)      514      data-arc span      4948 days (13.55 yr)      first obs. used      1999-08-17      last obs. used      2013-03-04      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .58581      data source      ORB      producer      Otto Matic      solution date      2013-Mar-29 14:20:35   Additional Information  Earth MOID = 1.57718 AU   T_jup = 3.167  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.074 mag .50416 49 autocmod 2.5b 118401 LINEAR           Discovered 1999 Sept. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. LINEAR is the acronym for Lincoln Laboratory Near-Earth Asteroid Research. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060613/MPCPages.arc Last Updated: 2008-05-22 [ show close-approach data ] Alternate Designations  1999 RE70 = 176P = 2001 AR7  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-May-23 11:00 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin