+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14619 Plotkin (1998 UF9) Classification: Main-belt Asteroid          SPK-ID: 2014619 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08011909924131641 3.3742e-08   a 2.237880051039012 6.5339e-09 au q 2.058583117139655 7.6273e-08 au i 4.706730845376059 3.6589e-06 deg node 5.644591767871598 3.7452e-05 deg peri 161.8129626641306 4.2774e-05 deg M 68.6989189320924 1.9617e-05 deg tp 2458967.153636926319 (2020-Apr-27.65363693) 6.6703e-05 TDB period 1222.794943681172 3.35 5.3553e-06 1.466e-08 d yr n .2944074980521554 1.2894e-09 deg/d Q 2.417176984938368 7.0574e-09 au   Orbit Determination Parameters    # obs. used (total)      1213      data-arc span      14654 days (40.12 yr)      first obs. used      1980-03-16      last obs. used      2020-04-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49235      source      ORB      producer      Otto Matic      solution date      2020-May-20 04:02:54   Additional Information  Earth MOID = 1.06485 au   Jupiter MOID = 2.54748 au   T_jup = 3.628  [ 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 15.89   n/a E2021B10   diameter diameter 1.753 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.398   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14619 Plotkin           Discovered 1998 Oct. 16 by Spacewatch at Kitt Peak. Howard Plotkin (b. 1941) is a historian of science who joined the faculty at the University of Western Ontario and focused on astronomy. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030614/MPCPages.arc Last Updated: 2005-04-26 Alternate Designations  1998 UF9 = 1980 FA4 = 1995 WS24  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-03 03:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin