+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   16926 (1998 FH63) Classification: Main-belt Asteroid          SPK-ID: 2016926 [ 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 70 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06183766392353471 1.3741e-08   a 2.852940566262006 1.07e-08 au q 2.676521386331677 4.0775e-08 au i 2.664478512877193 2.9655e-07 deg node 138.5727471492723 1.6565e-05 deg peri 284.3977915700026 2.0838e-05 deg M 19.07691193753594 1.3097e-05 deg tp 2459107.229761449081 (2020-Sep-14.72976145) 6.411e-05 TDB period 1760.100690734104 4.82 9.9021e-06 2.711e-08 d yr n .2045337530376464 1.1507e-09 deg/d Q 3.029359746192335 1.1362e-08 au   Orbit Determination Parameters    # obs. used (total)      2592      data-arc span      13908 days (38.08 yr)      first obs. used      1983-02-14      last obs. used      2021-03-14      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .46512      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 01:47:07   Additional Information  Earth MOID = 1.69046 au   Jupiter MOID = 2.16253 au   T_jup = 3.300  [ 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 13.31   n/a E2021B10   diameter diameter 5.926 km 0.962 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.289   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   16926 (1998 FH63)          Discovered 1998-Mar-20 by LINEAR at Socorro Reference: 20000913/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 FH63 = 1983 CL4 = 1992 AK5 = 1995 QT10  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-15 05:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin