+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   233967 Vierkant (2010 BN4) Classification: Main-belt Asteroid          SPK-ID: 2233967 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02134870709055014 7.0408e-08   a 2.750147062456145 2.4088e-08 au q 2.691434978363832 1.8679e-07 au i 5.179337771936512 4.912e-06 deg node 286.8173864490902 8.8039e-05 deg peri 224.2456964268862 0.00016067 deg M 99.77848754553321 0.00013309 deg tp 2458738.792722737313 (2019-Sep-12.29272274) 0.00061586 TDB period 1665.836232872505 4.56 2.1886e-05 5.992e-08 d yr n .2161076778713293 2.8393e-09 deg/d Q 2.808859146548458 2.4602e-08 au   Orbit Determination Parameters    # obs. used (total)      295      data-arc span      7502 days (20.54 yr)      first obs. used      1999-10-13      last obs. used      2020-04-27      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .61998      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 01:05:35   Additional Information  Earth MOID = 1.70507 au   Jupiter MOID = 2.19589 au   T_jup = 3.340  [ 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 16.08   n/a E2021B55   233967 Vierkant           Discovered 2010 Jan. 24 by R. Kracht at the Sierra Stars Observatory. Gisela Vierkant (b. 1919), mother of the discoverer, lived for many years in the city of Bremen, where Wilhelm Olbers discovered (2) Pallas and (4) Vesta at the Lilienthal Observatory. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20100527/MPCPages.arc Last Updated: 2010-12-06 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jun-22 07:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin