+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06437217711741525 3.0142e-08   a 2.357731054310752 7.3705e-09 au q 2.20595877328743 7.1803e-08 au i 5.613087334578651 3.8787e-06 deg node 156.923259897318 3.349e-05 deg peri 289.035838351649 4.4609e-05 deg M .5557056929107452 2.9586e-05 deg tp 2459198.458815942565 (2020-Dec-14.95881594) 0.00010867 TDB period 1322.329913209447 3.62 6.2006e-06 1.698e-08 d yr n .2722467338927836 1.2766e-09 deg/d Q 2.509503335334074 7.845e-09 au   Orbit Determination Parameters    # obs. used (total)      1737      data-arc span      18748 days (51.33 yr)      first obs. used      1969-11-04      last obs. used      2021-03-04      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49856      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:50:14   Additional Information  Earth MOID = 1.22952 au   Jupiter MOID = 2.5985 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 14.6   n/a MPO296259   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-Apr-16 03:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin