+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14028 Nakamurahiroshi (1994 TZ14) Classification: Main-belt Asteroid          SPK-ID: 2014028 [ 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 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2071379535183425 2.9561e-08   a 2.552068506470706 7.9392e-09 au q 2.023438258801752 7.4587e-08 au i 5.062804768842401 4.1607e-06 deg node 182.6468970223601 4.8868e-05 deg peri 202.1327233328358 5.0691e-05 deg M 103.4835188303642 1.4057e-05 deg tp 2458572.439054578962 (2019-Mar-29.93905458) 5.7295e-05 TDB period 1489.144765208323 4.08 6.9488e-06 1.902e-08 d yr n .2417494983771024 1.1281e-09 deg/d Q 3.080698754139661 9.5837e-09 au   Orbit Determination Parameters    # obs. used (total)      1932      data-arc span      9360 days (25.63 yr)      first obs. used      1994-10-05      last obs. used      2020-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51532      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:42:34   Additional Information  Earth MOID = 1.0281 au   Jupiter MOID = 2.37412 au   T_jup = 3.404  [ 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 14.2   n/a MPO302152   diameter diameter 4.197 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.230   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   14028 Nakamurahiroshi           Discovered 1994 Oct. 5 by K. Endate and K. Watanabe at Kitami. Hiroshi Nakamura (b. 1955) is a well-known amateur astronomer in Kagawa Prefecture, Japan. He built an astronomical observatory in his garden in 1984. His main interests are observing comets and solar eclipses. 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 2015-01-05 Last Updated: 2015-01-07 [ show close-approach data ] Alternate Designations  1994 TZ14 = 1997 KF3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 21:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin