+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   32184 Yamaura (2000 NC20) Classification: Main-belt Asteroid          SPK-ID: 2032184 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2022389178597898 4.7663e-08   a 2.546426603712468 1.6174e-08 au q 2.031440042968279 1.2244e-07 au i 12.06421716406951 5.7723e-06 deg node 279.9001135531116 2.3835e-05 deg peri 76.36522632869932 2.943e-05 deg M 339.2127335251711 2.2659e-05 deg tp 2459286.201821768559 (2021-Mar-12.70182177) 9.3987e-05 TDB period 1484.209377603377 4.06 1.4141e-05 3.872e-08 d yr n .2425533792148039 2.311e-09 deg/d Q 3.061413164456658 1.9445e-08 au   Orbit Determination Parameters    # obs. used (total)      854      data-arc span      15211 days (41.65 yr)      first obs. used      1979-04-24      last obs. used      2020-12-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48779      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 03:46:29   Additional Information  Earth MOID = 1.06411 au   Jupiter MOID = 2.50013 au   T_jup = 3.383  [ 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 14.59   n/a E2021B10   diameter diameter 3.596 km 0.865 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.313   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   32184 Yamaura           Discovered 2000 July 8 at Bisei Spaceguard Center. Yuichi Yamaura (b. 1955) is one of the leaders of the National Space Development Agency of Japan. He contributed greatly to the construction of Bisei Spaceguard Center. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20020526/MPCPages.arc Last Updated: 2003-10-02 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-25 16:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin