+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   21010 Kishon (1988 PL2) Classification: Main-belt Asteroid          SPK-ID: 2021010 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2212120267873537 5.3001e-08   a 2.247049772625136 7.2737e-09 au q 1.749975338130667 1.1854e-07 au i 7.232511395854144 4.8459e-06 deg node 338.7975093130723 2.7058e-05 deg peri 7.867057653784318 2.818e-05 deg M 210.2822821184459 8.2022e-06 deg tp 2459712.167889587205 (2022-May-12.66788959) 2.9261e-05 TDB period 1230.318247283999 3.37 5.9738e-06 1.636e-08 d yr n .2926072183312907 1.4207e-09 deg/d Q 2.744124207119604 8.8827e-09 au   Orbit Determination Parameters    # obs. used (total)      1175      data-arc span      11893 days (32.56 yr)      first obs. used      1988-08-13      last obs. used      2021-03-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49965      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:35:59   Additional Information  Earth MOID = .74134 au   Jupiter MOID = 2.67448 au   T_jup = 3.587  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.05   n/a E2021B10   diameter diameter 2.570 km 0.382 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.185   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   21010 Kishon           Discovered 1988 Aug. 13 by F. Borngen at Tautenburg. Israeli author, journalist and satirist Ephraim Kishon (b. 1924) became known for his satiric stories and stage dramas. He also wrote radio plays and film scripts. For his literary and humorous work, which was translated into many languages, he was awarded many prizes. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20010509/MPCPages.arc Last Updated: 2009-05-11 [ show close-approach data ] Alternate Designations  1988 PL2 = 1998 QN13  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-22 10:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin