+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   10250 Hellahaasse (1252 T-1) Classification: Main-belt Asteroid          SPK-ID: 2010250 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03849196012415893 6.9764e-08   a 2.337182153641856 1.5435e-08 AU q 2.247219431380978 1.6589e-07 AU i 6.548861392014722 7.8716e-06 deg node 198.2450150864184 5.4197e-05 deg peri 343.7407122134468 0.00011041 deg M 282.7065365317264 9.8502e-05 deg tp 2456680.706068347272 (2014-Jan-23.20606835) 0.00035776 JED period 1305.080404974004 3.57 1.2928e-05 3.539e-08 d yr n .2758450733211115 2.7326e-09 deg/d Q 2.427144875902735 1.6029e-08 AU   Orbit Determination Parameters    # obs. used (total)      833      data-arc span      15353 days (42.03 yr)      first obs. used      1971-03-24      last obs. used      2013-04-05      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .50745      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:39:07   Additional Information  Earth MOID = 1.24889 AU   T_jup = 3.557  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.6 mag n/a PDS3 (MPC 33918)   10250 Hellahaasse           Discovered 1971 Mar. 25 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels. Hella S. Haasse (b. 1918) is one of the greatest Dutch novelists. She wrote over 25 novels, many of them historical, and they have been translated into numerous languages. Some of her most widely read novels, such as Oeroeg, Heren van de thee and Sleuteloog, are set in the Dutch East Indies, where she grew up. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060613/MPCPages.arc Last Updated: 2008-05-22 Alternate Designations  1252 T-1 = 1997 RK  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 17:30 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin