+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15155 Ahn (2000 FB37) Classification: Main-belt Asteroid          SPK-ID: 2015155 [ 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 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06447537133872225 3.0118e-08   a 2.357912090459382 7.3786e-09 au q 2.205884832842951 7.1742e-08 au i 5.613386789991099 3.872e-06 deg node 156.92043892 3.3403e-05 deg peri 289.0001825680006 4.4449e-05 deg M 53.94172176609124 2.9422e-05 deg tp 2459198.341756152295 (2020-Dec-14.84175615) 0.00010802 TDB period 1322.482216910202 3.62 6.2076e-06 1.7e-08 d yr n .2722153805902135 1.2778e-09 deg/d Q 2.509939348075814 7.8543e-09 au   Orbit Determination Parameters    # obs. used (total)      1766      data-arc span      18816 days (51.52 yr)      first obs. used      1969-11-04      last obs. used      2021-05-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49796      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 17:24:28   Additional Information  Earth MOID = 1.22977 au   Jupiter MOID = 2.59793 au   T_jup = 3.544  [ 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 14.61   n/a MPCxxxxx   diameter diameter 2.739 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.409   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15155 Ahn           Discovered 2000 Mar. 29 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Named in honor of Ryan J. Ahn for achievement as a finalist in the 2001 Discovery Young Scientist Challenge (DYSC), a middle school science competition. Ryan is a student at the Landisville Middle School, Landisville, Pennsylvania. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20011002/MPCPages.arc Last Updated: 2009-05-11 Alternate Designations  2000 FB37 = 1969 VC3 = 1996 DU3 = 1998 UV27  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Aug-02 04:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin