+ 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 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1356957866383949 4.2693e-08   a 2.786319611504464 1.4043e-08 au q 2.408227779995379 1.1905e-07 au i 7.90246708128493 3.1845e-06 deg node 255.0591389417257 3.4812e-05 deg peri 84.63994551423977 3.6611e-05 deg M 225.0700958219017 1.3415e-05 deg tp 2460033.222996662800 (2023-Mar-29.72299666) 6.5162e-05 TDB period 1698.810061378631 4.65 1.2843e-05 3.516e-08 d yr n .2119130373573666 1.602e-09 deg/d Q 3.16441144301355 1.5948e-08 au   Orbit Determination Parameters    # obs. used (total)      1786      data-arc span      9327 days (25.54 yr)      first obs. used      1995-11-26      last obs. used      2021-06-09      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50699      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 18:17:05   Additional Information  Earth MOID = 1.4147 au   Jupiter MOID = 2.24668 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 13.75   n/a MPCxxxxx   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-Jul-25 01:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin