+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17673 Houkidaisen (1996 XL32) Classification: Main-belt Asteroid          SPK-ID: 2017673 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1486797536666717 3.5158e-08   a 3.110120735963049 2.061e-08 au q 2.647708751066455 1.1598e-07 au i 6.260406463451374 4.0059e-06 deg node 117.6459032986112 3.9372e-05 deg peri 167.6029084557852 4.2187e-05 deg M 309.2390726423524 1.6521e-05 deg tp 2459482.982369181797 (2021-Sep-25.48236918) 9.288e-05 TDB period 2003.384457280328 5.48 1.9914e-05 5.452e-08 d yr n .1796959134287754 1.7862e-09 deg/d Q 3.572532720859643 2.3674e-08 au   Orbit Determination Parameters    # obs. used (total)      1161      data-arc span      8830 days (24.18 yr)      first obs. used      1996-12-15      last obs. used      2021-02-17      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5585      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:09:54   Additional Information  Earth MOID = 1.62979 au   Jupiter MOID = 1.59851 au   T_jup = 3.193  [ 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 14.14   n/a E2021B10   diameter diameter 6.590 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.135   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17673 Houkidaisen           Discovered 1996 Dec. 15 at Saji Observatory. Houki Daisen is the highest peak in the Chugoku district of Tottori prefecture. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20010109/MPCPages.arc Last Updated: 2009-05-11 [ show close-approach data ] Alternate Designations  1996 XL32 = 1998 EH10  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 10:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin