+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   6410 Fujiwara (1992 WO4) Classification: Main-belt Asteroid          SPK-ID: 2006410 [ 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 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2247518702502031 1.3096e-08   a 2.772723466212718 9.9109e-09 au q 2.149548681494784 3.4956e-08 au i 8.681832263642249 5.2905e-07 deg node 76.49269700766278 2.3057e-06 deg peri 250.0699932191076 5.3185e-06 deg M 107.5578809889697 4.2539e-06 deg tp 2458696.653784758342 (2019-Aug-01.15378476) 1.8636e-05 TDB period 1686.390953588962 4.62 9.0418e-06 2.476e-08 d yr n .213473630912127 1.1446e-09 deg/d Q 3.395898250930653 1.2138e-08 au   Orbit Determination Parameters    # obs. used (total)      2714      data-arc span      15977 days (43.74 yr)      first obs. used      1977-06-12      last obs. used      2021-03-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .44786      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 18:41:13   Additional Information  Earth MOID = 1.15445 au   Jupiter MOID = 2.00911 au   T_jup = 3.283  [ 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 12.8   n/a MPO531060   diameter diameter 14.822 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 7.0073 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Clark, M. (2007) Minor Planet Bull. 34, 19-22.] [Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] geometric albedo albedo 0.082   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 6410 Fujiwara           Discovered 1992 Nov. 29 by S. Otomo at Kiyosato. Named in memory of Masahito Fujiwara (1960-1997), Japanese amateur astronomer who contributed to the popularization of astronomy. Name proposed by the discoverers following a suggestion by A. Hagino. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 19990728/MPCPages.arc Last Updated: 2010-06-11 Alternate Designations  1992 WO4 = 1977 LP = 1978 XK1 = 1986 JW = 1987 SL27 = 1987 UE8  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-23 00:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin