+ 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 ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04775665395435417 2.6942e-08   a 2.297102789395666 7.1019e-09 au q 2.187400846384915 6.5176e-08 au i 3.552777638128878 3.1241e-06 deg node 302.4960579831215 5.2931e-05 deg peri 119.0259111978264 6.7693e-05 deg M 9.954351294758853 4.2115e-05 deg tp 2459361.337517174045 (2021-May-26.83751717) 0.00014872 TDB period 1271.654319052302 3.48 5.8973e-06 1.615e-08 d yr n .2830958025356209 1.3129e-09 deg/d Q 2.406804732406417 7.441e-09 au   Orbit Determination Parameters    # obs. used (total)      1560      data-arc span      9893 days (27.09 yr)      first obs. used      1994-01-07      last obs. used      2021-02-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51157      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 18:33:06   Additional Information  Earth MOID = 1.2024 au   Jupiter MOID = 2.71981 au   T_jup = 3.590  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 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 Alternate Designations  1998 FH116 = 1999 RL118  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Aug-01 05:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin