+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   12556 Kyrobinson (1998 QG48) Classification: Main-belt Asteroid          SPK-ID: 2012556 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06333642151970183 2.9671e-08   a 2.381731034846455 7.6172e-09 au q 2.230880714076864 7.2223e-08 au i 6.457257217931766 3.6966e-06 deg node 200.3190832932687 2.9158e-05 deg peri 270.0299064994272 4.3412e-05 deg M 213.5110021031832 3.3556e-05 deg tp 2459546.811078781040 (2021-Nov-28.31107878) 0.00012609 TDB period 1342.571737023591 3.68 6.4407e-06 1.763e-08 d yr n .2681420963010144 1.2864e-09 deg/d Q 2.532581355616046 8.0997e-09 au   Orbit Determination Parameters    # obs. used (total)      1908      data-arc span      13105 days (35.88 yr)      first obs. used      1984-12-22      last obs. used      2020-11-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47464      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:49:40   Additional Information  Earth MOID = 1.25864 au   Jupiter MOID = 2.53534 au   T_jup = 3.527  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.4   n/a MPO473936   12556 Kyrobinson           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Kylan Thomas Robinson (b. 1985) is a finalist in the 2002 Intel International Science and Engineering Fair for his engineering project. He attends the Washington High School, Tacoma, Washington, U.S.A. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20020724/MPCPages.arc Last Updated: 2003-10-02 [ show close-approach data ] Alternate Designations  1998 QG48 = 1984 YZ5 = 1989 EV4 = 1993 FR24 = 1997 JE16 = 1997 JW6  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-15 22:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin