+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   22598 Francespearl (1998 HO117) Classification: Main-belt Asteroid          SPK-ID: 2022598 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1782016562637371 3.0519e-08   a 2.278858705637601 6.8803e-09 au q 1.872762309901945 7.0507e-08 au i 7.212035151098918 3.7715e-06 deg node 93.54478321582332 2.7179e-05 deg peri 283.1766768597164 2.9199e-05 deg M 57.16761722729166 1.1185e-05 deg tp 2459000.963607911188 (2020-May-31.46360791) 3.8752e-05 TDB period 1256.534811768914 3.44 5.6905e-06 1.558e-08 d yr n .2865022095911551 1.2975e-09 deg/d Q 2.684955101373258 8.1063e-09 au   Orbit Determination Parameters    # obs. used (total)      1877      data-arc span      10906 days (29.86 yr)      first obs. used      1991-05-05      last obs. used      2021-03-14      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49298      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 04:08:04   Additional Information  Earth MOID = .889121 au   Jupiter MOID = 2.80217 au   T_jup = 3.575  [ 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 14.58   n/a E2021B10   22598 Francespearl           Discovered 1998 Apr. 23 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Frances Pearlmutter mentored a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors. She teaches at the Horace Mann School, Riverdale, 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: 20060314/MPCPages.arc Last Updated: 2006-03-23 Alternate Designations  1998 HO117 = 1992 QH1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-19 21:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin