+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19861 Auster (2000 US79) Classification: Main-belt Asteroid          SPK-ID: 2019861 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1355142196716023 4.3145e-08   a 2.78686051838788 1.477e-08 au q 2.409201289904949 1.1982e-07 au i 7.902178608358414 3.424e-06 deg node 255.0679494036075 3.5305e-05 deg peri 84.57813425042141 3.7305e-05 deg M 183.6010756277196 1.3502e-05 deg tp 2460033.154259609509 (2023-Mar-29.65425961) 6.5776e-05 TDB period 1699.304769153838 4.65 1.3509e-05 3.699e-08 d yr n .2118513444643957 1.6842e-09 deg/d Q 3.164519746870811 1.6772e-08 au   Orbit Determination Parameters    # obs. used (total)      1643      data-arc span      9241 days (25.30 yr)      first obs. used      1995-11-26      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51327      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:08:06   Additional Information  Earth MOID = 1.4146 au   Jupiter MOID = 2.24682 au   T_jup = 3.304  [ 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 13.74   n/a E2021B10   diameter diameter 4.660 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.355   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   19861 Auster           Discovered 2000 Oct. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Craig Louis Auster (b. 1986) is a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors, for his behavioral and social sciences project. He attends the Carmel High School, Carmel, New York. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20040415/MPCPages.arc Last Updated: 2004-04-20 Alternate Designations  2000 US79 = 1995 WX41 = 1998 FL112 = 1999 ND48  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-18 13:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin