+ View the NASA Portal + Near-Earth Object (NEO) Project Search JPL JPL Small-Body Database Browser Search: [ help ]   24154 Ayonsen (1999 VP188) Classification: Main-belt Asteroid          SPK-ID: 2024154 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2455200.5 (2010-Jan-04.0) TDB Reference: MPO77306 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0707825 n/a   a 2.4213599 n/a AU q 2.2499700 n/a AU i 4.76374 n/a deg node 217.59197 n/a deg peri 36.24684 n/a deg M 49.47018 n/a deg tp 2455011.3839322 (2009-Jun-28.88393220) n/a JED period 1376.2186512 3.77 n/a n/a d yr n 0.26158634 n/a deg/d Q 2.5927498 n/a AU   Orbit Determination Parameters    # obs. used (total)      226      first obs. used      1971-??-??      last obs. used      2005-05-16      # oppositions      9      planetary ephem.      DE403      quality code      0      fit RMS      0.59      data source      MPC:mpn      producer      MPC   Additional Information  T_jup = 3.505  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.4 mag n/a PDS3 (MPO 11320)   24154 Ayonsen           Discovered 1999 Nov. 15 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro. Ayon Sen (b. 1990) is a finalist in the 2008 Intel Science Talent Search (STS), a science competition for high school seniors, for his earth and planetary science project. He attends the Westwood High School, Austin, Texas. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20080221/MPCPages.arc Last Updated: 2008-03-05 Alternate Designations  1999 VP188 = 1998 MZ29  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2009-Nov-23 19:07 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin