+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14401 Reikoyukawa (1990 XV) Classification: Main-belt Asteroid          SPK-ID: 2014401 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .187954669755446 3.8088e-08   a 2.622821906112031 1.0677e-08 au q 2.129850280921395 1.024e-07 au i 11.79759269388139 4.2763e-06 deg node 294.5374829598032 2.3188e-05 deg peri 103.7358647581218 2.7339e-05 deg M 20.89140845262742 1.3381e-05 deg tp 2458910.463863756630 (2020-Mar-01.96386376) 5.7605e-05 TDB period 1551.499465491365 4.25 9.4734e-06 2.594e-08 d yr n .2320335958904032 1.4168e-09 deg/d Q 3.115793531302667 1.2683e-08 au   Orbit Determination Parameters    # obs. used (total)      1982      data-arc span      14269 days (39.07 yr)      first obs. used      1981-10-23      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .44705      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:56:33   Additional Information  Earth MOID = 1.17422 au   Jupiter MOID = 2.39602 au   T_jup = 3.349  [ 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 13.4   n/a MPO502278   diameter diameter 6.645 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.210   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14401 Reikoyukawa           Discovered 1990 Dec. 15 by K. Endate and K. Watanabe at Kitami. Reiko Yukawa (b. 1936) is a Japanese music critic, songwriter and translator. She is well-known for her work as a jazz critic for "Swing Journal" and as a radio disc jockey. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2013-07-22 Last Updated: 2014-08-13 [ show close-approach data ] Alternate Designations  1990 XV = 1981 UU12 = 2000 CJ70  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-25 21:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin