+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   137166 Netabahcall (1999 FS81) Classification: Main-belt Asteroid          SPK-ID: 2137166 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO248170 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0787617 n/a   a 3.0991915 n/a AU q 2.8550939 n/a AU i 11.06038 n/a deg node 158.84546 n/a deg peri 96.18561 n/a deg M 160.33756 n/a deg tp 2455512.9275377 (2010-Nov-12.42753770) n/a JED period 1992.8336594 5.46 n/a n/a d yr n 0.18064729 n/a deg/d Q 3.3432891 n/a AU   Orbit Determination Parameters    # obs. used (total)      153      first obs. used      1995-??-??      last obs. used      2012-11-16      # oppositions      12      planetary ephem.      DE403      condition code      0      fit RMS      0.57      data source      MPC:mpu      producer      MPCLINUX   Additional Information  T_jup = 3.189  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.3 mag n/a MPO248170   137166 Netabahcall           Discovered 1999 Mar. 20 by the Sloan Digital Sky Survey at Apache Point. Neta Bahcall (b. 1942) is an Israeli-American astronomer and a builder of the Sloan Digital Sky Survey, best known for her work on the large-scale structure of the universe, clusters of galaxies, dark matter, and observational cosmology. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20120406/MPCPages.arc Last Updated: 2012-04-09 Alternate Designations  1999 FS81 = 2004 EA  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 04:07 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin