+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   21418 Bustos (1998 FY71) Classification: Main-belt Asteroid          SPK-ID: 2021418 [ 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 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08584451150563588 3.4061e-08   a 2.18137992808648 7.4445e-09 au q 1.994120433751697 7.4171e-08 au i 5.318174772299455 4.8993e-06 deg node 1.960238286103904 4.6912e-05 deg peri 49.68480498101445 5.7082e-05 deg M 144.5141291215503 3.2619e-05 deg tp 2458728.107270157918 (2019-Sep-01.60727016) 0.00010625 TDB period 1176.78031744641 3.22 6.0241e-06 1.649e-08 d yr n .3059194606357734 1.566e-09 deg/d Q 2.368639422421263 8.0836e-09 au   Orbit Determination Parameters    # obs. used (total)      1310      data-arc span      9689 days (26.53 yr)      first obs. used      1993-11-06      last obs. used      2020-05-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50754      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:57:08   Additional Information  Earth MOID = 1.0077 au   Jupiter MOID = 2.87506 au   T_jup = 3.670  [ 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 15.15   n/a E2021B10   diameter diameter 2.651 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.276   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   21418 Bustos           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Miguel Angel Bustos (b. 1987) was awarded second place in the 2006 Intel International Science and Engineering Fair for his environmental sciences project. He attends the Uniondale High School, Uniondale, New York, U.S.A. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060711/MPCPages.arc Last Updated: 2006-07-17 Alternate Designations  1998 FY71 = 1993 VZ6  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 05:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin