+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   22465 Karelandel (1997 AK18) Classification: Main-belt Asteroid          SPK-ID: 2022465 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1832831552484945 5.1294e-08   a 2.455783635561375 1.0075e-08 au q 2.005679862228067 1.2269e-07 au i 2.295583552687098 4.8148e-06 deg node 24.42097666160796 0.00010125 deg peri 27.76456915203053 0.00010207 deg M 125.4924404651511 1.1452e-05 deg tp 2458710.497108448761 (2019-Aug-14.99710845) 4.3904e-05 TDB period 1405.670654778859 3.85 8.6502e-06 2.368e-08 d yr n .2561055100468292 1.576e-09 deg/d Q 2.905887408894682 1.1921e-08 au   Orbit Determination Parameters    # obs. used (total)      1015      data-arc span      10253 days (28.07 yr)      first obs. used      1993-01-16      last obs. used      2021-02-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51296      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 04:06:37   Additional Information  Earth MOID = 1.0161 au   Jupiter MOID = 2.46294 au   T_jup = 3.468  [ 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 15.69   n/a E2021B10   22465 Karelanděl           Discovered 1997 Jan. 15 by M. Tichy and Z. Moravec at Klet. Karel Anděl (1884-1948) was a teacher. In astronomy he was known as a moon cartographer, author of Mappa Selenographica (1926). He was one of the founders of the Czech Astronomical Society in 1917. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20010705/MPCPages.arc Last Updated: 2009-05-11 [ show close-approach data ] Alternate Designations  1997 AK18 = 1993 BT1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-20 03:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin