+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   210432 Dietmarhopp (2008 XA7) Classification: Main-belt Asteroid          SPK-ID: 2210432 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07370116932337537 6.4288e-08   a 3.107609250588392 3.1449e-08 au q 2.878574815019889 2.0924e-07 au i 18.09537060402476 6.4159e-06 deg node 93.26100089566495 1.719e-05 deg peri 24.59392755810459 4.9655e-05 deg M 63.12319000864964 4.2333e-05 deg tp 2458849.647582907009 (2020-Jan-01.14758291) 0.00023612 TDB period 2000.958287060102 5.48 3.0375e-05 8.316e-08 d yr n .1799137954689342 2.7311e-09 deg/d Q 3.336643686156894 3.3767e-08 au   Orbit Determination Parameters    # obs. used (total)      314      data-arc span      6674 days (18.27 yr)      first obs. used      2002-10-31      last obs. used      2021-02-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56484      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 23:30:25   Additional Information  Earth MOID = 1.90282 au   Jupiter MOID = 1.86354 au   T_jup = 3.140  [ 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 15.60   n/a E2021B55   diameter diameter 3.467 km 0.469 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.096   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   210432 Dietmarhopp           Discovered 2008 Dec. 8 by F. Hormuth at Calar Alto. Dietmar Hopp (b. 1940) is the founder of the non-profit Dietmar Hopp Stiftung, a charitable organization supporting international medical research, the promotion of youth in sport and various social projects. He himself is a passionate sportsman, playing soccer, tennis and golf. 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 ] Alternate Designations  2008 XA7 = 2002 XF118  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 19:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin