+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19575 Feeny (1999 LB22) Classification: Main-belt Asteroid          SPK-ID: 2019575 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .115945113908044 2.9975e-08   a 2.264709958552272 7.2282e-09 au q 2.002127904439247 6.5745e-08 au i 4.947471390660674 3.1657e-06 deg node 129.2324984378982 4.0533e-05 deg peri 118.9236984857115 4.3369e-05 deg M 118.481244417191 1.5952e-05 deg tp 2458790.801458611423 (2019-Nov-03.30145861) 5.4879e-05 TDB period 1244.850825338625 3.41 5.9597e-06 1.632e-08 d yr n .2891912771171378 1.3845e-09 deg/d Q 2.527292012665297 8.0663e-09 au   Orbit Determination Parameters    # obs. used (total)      1610      data-arc span      12049 days (32.99 yr)      first obs. used      1988-02-16      last obs. used      2021-02-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5282      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:58:36   Additional Information  Earth MOID = .99214 au   Jupiter MOID = 2.49812 au   T_jup = 3.603  [ 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 15.36   n/a E2021B10   diameter diameter 2.093 km 0.433 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.232   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   19575 Feeny           Discovered 1999 June 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Dana Anne Feeny (b. 1990) is a finalist in the 2003 Discovery Channel Young Scientist Challenge, a middle school science competition, for her environmental sciences project. She attends the Woodside Elementary School, Woodside, California. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20031010/MPCPages.arc Last Updated: 2003-10-10 Alternate Designations  1999 LB22 = 1988 DR3 = 1993 TZ37  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-18 19:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin