+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19307 Hanayama (1996 TG13) Classification: Main-belt Asteroid          SPK-ID: 2019307 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1574336377528449 3.9492e-08   a 2.462497122329645 9.2025e-09 au q 2.074817242405377 9.7524e-08 au i 2.145238077343308 5.6654e-06 deg node 341.7810848383189 9.6907e-05 deg peri 121.6670127836898 9.8677e-05 deg M 30.20512492581838 1.696e-05 deg tp 2459082.075881730761 (2020-Aug-20.57588173) 6.6334e-05 TDB period 1411.438710537665 3.86 7.9119e-06 2.166e-08 d yr n .2550588965091257 1.4298e-09 deg/d Q 2.850177002253914 1.0651e-08 au   Orbit Determination Parameters    # obs. used (total)      903      data-arc span      9811 days (26.86 yr)      first obs. used      1994-03-16      last obs. used      2021-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56312      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:42:24   Additional Information  Earth MOID = 1.09248 au   Jupiter MOID = 2.28397 au   T_jup = 3.471  [ 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 15.43   n/a E2021B10   19307 Hanayama           Discovered 1996 Oct. 14 by K. Endate and K. Watanabe at Kitami. Hidekazu Hanayama (b. 1977) is an astronomer at the National Astronomical Observatory of Japan. He works on observational studies of transient objects with the Murikabushi 1.05-m reflector at the Ishigakijima Astronomical Observatory and discovered a secondary nuclear condensation of comet 213P/Van Ness. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2017-06-09 Last Updated: 2017-06-12 [ show close-approach data ] Alternate Designations  1996 TG13 = 1998 FB69  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-12 20:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin