+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5777 Hanaki (1989 XF) Classification: Main-belt Asteroid          SPK-ID: 2005777 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2094982916719449 3.5188e-08   a 2.560211577030109 9.3748e-09 au q 2.023851625323565 9.1216e-08 au i 8.706654432656267 3.6401e-06 deg node 113.2856875431377 2.4596e-05 deg peri 255.3362014693029 2.6166e-05 deg M 205.0520749796826 1.1601e-05 deg tp 2459644.514249221386 (2022-Mar-06.01424922) 5.0311e-05 TDB period 1496.277731304234 4.10 8.2185e-06 2.25e-08 d yr n .2405970445648517 1.3215e-09 deg/d Q 3.096571528736653 1.1339e-08 au   Orbit Determination Parameters    # obs. used (total)      2563      data-arc span      24710 days (67.65 yr)      first obs. used      1952-12-16      last obs. used      2020-08-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .43349      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 03:40:54   Additional Information  Earth MOID = 1.04332 au   Jupiter MOID = 2.41643 au   T_jup = 3.388  [ hide covariance matrix ] Orbital Elements at Epoch 2456831.5 (2014-Jun-23.0) TDB Reference: JPL 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2068025186443875 3.4979e-08   q 2.032105279324576 9.044e-08 au tp 2456648.445557074074 (2013-Dec-21.94555707) 4.3151e-05 TDB node 113.3831309052465 2.4528e-05 deg peri 254.9875746532897 2.6171e-05 deg i 8.714245620035182 3.6431e-06 deg   Orbit Determination Parameters    # obs. used (total)      2563      data-arc span      24710 days (67.65 yr)      first obs. used      1952-12-16      last obs. used      2020-08-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .43349      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 03:40:54   Additional Information  Jupiter MOID = 2.41643 au   T_jup = 3.388  Orbit Covariance (6×6)   e q tp node peri i e 1.223564059354064E-15 -3.152912546374503E-15 -3.394217090145993E-13 6.868385911322657E-15 -9.618016025399231E-14 1.452646583844145E-15 q -3.152912546374503E-15 8.179361313443933E-15 9.766837466728404E-13 -1.904132524861014E-14 2.703849502906547E-13 -3.611026573940468E-15 tp -3.394217090145993E-13 9.766837466728404E-13 1.861993148722752E-9 -7.167639558823506E-12 4.112862723124524E-10 9.100132238017868E-13 node 6.868385911322657E-15 -1.904132524861014E-14 -7.167639558823506E-12 6.01636390153734E-10 -5.959680374999115E-10 2.350165629153974E-11 peri -9.618016025399231E-14 2.703849502906547E-13 4.112862723124524E-10 -5.959680374999115E-10 6.849210625804358E-10 -2.30581510977549E-11 i 1.452646583844145E-15 -3.611026573940468E-15 9.100132238017868E-13 2.350165629153974E-11 -2.30581510977549E-11 1.327237146936241E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.6   n/a MPO337302   5777 Hanaki           Discovered 1989 Dec. 3 by Y. Mizuno and T. Furuta at Kani. Many years ago, Yoichi Hanaki (b. 1937) used to make astronomical observations, notably of Jupiter, with the second discoverer. Later he established the vocational training facility Hoshi-no-mura that endeavors to help mentally handicapped people. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20010509/MPCPages.arc Last Updated: 2009-05-11 Alternate Designations  1989 XF = 1952 YB = 1976 ON = 1982 BD9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Dec-03 21:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin