+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   21435 Aharon (1998 FH116) Classification: Main-belt Asteroid          SPK-ID: 2021435 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04767077049772899 2.6957e-08   a 2.296956140719803 7.1386e-09 au q 2.1874584716922 6.5219e-08 au i 3.552800595403294 3.1253e-06 deg node 302.4953070601538 5.2939e-05 deg peri 118.9569157521827 6.7736e-05 deg M 314.5256818097486 4.2102e-05 deg tp 2459361.116876630686 (2021-May-26.61687663) 0.00014892 TDB period 1271.532546021606 3.48 5.9276e-06 1.623e-08 d yr n .2831229142552226 1.3199e-09 deg/d Q 2.406453809747406 7.4789e-09 au   Orbit Determination Parameters    # obs. used (total)      1549      data-arc span      9850 days (26.97 yr)      first obs. used      1994-01-07      last obs. used      2020-12-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51088      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:52:36   Additional Information  Earth MOID = 1.20213 au   Jupiter MOID = 2.72055 au   T_jup = 3.590  [ 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 15.38   n/a E2021B10   21435 Aharon           Discovered 1998 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Terri Aharon mentored a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors. She teaches at the Hunter College High School, New York, New York. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20050224/MPCPages.arc Last Updated: 2005-02-28 [ show close-approach data ] Alternate Designations  1998 FH116 = 1999 RL118  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-11 05:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin