+ 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 ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1882239825760582 1.7163e-08   a 2.623121644814472 9.3156e-09 au q 2.129387242046032 4.5202e-08 au i 11.79682038720335 3.7471e-07 deg node 294.5355626000066 5.1903e-06 deg peri 103.7351694602075 8.7729e-06 deg M 112.7408393403024 6.3799e-06 deg tp 2458910.535173815977 (2020-Mar-02.03517382) 2.6604e-05 TDB period 1551.765433448467 4.25 8.2662e-06 2.263e-08 d yr n .2319938260256107 1.2358e-09 deg/d Q 3.116856047582913 1.1069e-08 au   Orbit Determination Parameters    # obs. used (total)      2422      data-arc span      14468 days (39.61 yr)      first obs. used      1981-10-23      last obs. used      2021-06-03      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .42336      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 03:31:49   Additional Information  Earth MOID = 1.17321 au   Jupiter MOID = 2.39684 au   T_jup = 3.349  [ 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 13.45   n/a MPCxxxxx   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 Alternate Designations  1990 XV = 1981 UU12 = 2000 CJ70  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Aug-05 09:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin