+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   7309 Shinkawakami (1995 FU) Classification: Main-belt Asteroid          SPK-ID: 2007309 [ 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 43 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1243560640652623 2.1046e-08   a 2.186081350077146 6.4492e-09 au q 1.914228877655077 4.4719e-08 au i 4.892077502201222 7.5515e-07 deg node 40.77062846641964 6.2541e-06 deg peri 229.0345582694478 8.4184e-06 deg M 283.9015898983505 7.6931e-06 deg tp 2459450.057707939737 (2021-Aug-23.55770794) 2.5479e-05 TDB period 1180.586752578659 3.23 5.2243e-06 1.43e-08 d yr n .3049331183953076 1.3494e-09 deg/d Q 2.457933822499214 7.2512e-09 au   Orbit Determination Parameters    # obs. used (total)      2233      data-arc span      18994 days (52.00 yr)      first obs. used      1969-03-14      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47727      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 19:36:22   Additional Information  Earth MOID = .9008 au   Jupiter MOID = 2.61686 au   T_jup = 3.662  [ 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 13.61   n/a E2021B10   diameter diameter 5.578 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.248   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   7309 Shinkawakami           Discovered 1995 Mar. 28 by T. Kobayashi at Oizumi. Shin-ichi Kawakami (b.1956) is a professor of Earth and Planetary Sciences in the Faculty of Education at Gifu University. He has studied impact cratering and its implications for planetary evolution. He also published several books on the history of Planet Earth. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030106/MPCPages.arc Last Updated: 2003-10-02 [ show close-approach data ] Alternate Designations  1995 FU = 1969 EA2 = 1979 EM = 1986 QT4 = 1987 YZ5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-23 09:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin