+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   4508 Takatsuki (1990 FG1) Classification: Main-belt Asteroid          SPK-ID: 2004508 [ 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 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08503370922539513 2.5185e-08   a 2.195292506294848 5.1103e-09 au q 2.008618641649883 5.381e-08 au i 1.980850874340182 2.2693e-06 deg node 92.91816304072304 9.9879e-05 deg peri 147.3325669791416 0.00010173 deg M 117.6468122516083 1.968e-05 deg tp 2458812.247123032118 (2019-Nov-24.74712303) 6.4885e-05 TDB period 1188.056293522962 3.25 4.1484e-06 1.136e-08 d yr n .3030159445833046 1.0581e-09 deg/d Q 2.381966370939813 5.5448e-09 au   Orbit Determination Parameters    # obs. used (total)      3360      data-arc span      25487 days (69.78 yr)      first obs. used      1951-04-03      last obs. used      2021-01-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .43536      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 01:18:21   Additional Information  Earth MOID = .994818 au   Jupiter MOID = 2.60897 au   T_jup = 3.664  [ 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 13.72   n/a E2021B10   diameter diameter 4.567 km 0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.325   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   4508 Takatsuki (1990 FG1)          Discovered 1990-Mar-27 by Endate and Watanabe at Kitami Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2066-May-28 12:33 < 00:01 Juno 0.0334629028104187 0.033462333346775 0.0334634722752106 7.55661755527693 7.55661750716476 2475799.022975528 0.235421963295426 219.901625163243 28.3606178148208 89.6646831853415 176456.473819831 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 01:18:29 2021-Feb-24 01:18 Alternate Designations  1990 FG1 = 1951 GD = 1980 DM3 = 1981 QA2 = 1983 AM1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-24 21:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin