+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2043 Ortutay (1936 TH) Classification: Main-belt Asteroid          SPK-ID: 2002043 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 42 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1121017448291445 1.6052e-08   a 3.106624337017413 1.3558e-08 au q 2.758366328309076 5.178e-08 au i 3.074472836719063 1.2844e-06 deg node 321.1929614466497 1.5108e-05 deg peri 60.12807201071696 1.7997e-05 deg M 139.073852018584 1.2325e-05 deg tp 2458427.864746500914 (2018-Nov-05.36474650) 6.6632e-05 TDB period 2000.007098548637 5.48 1.3092e-05 3.584e-08 d yr n .1799993611328902 1.1783e-09 deg/d Q 3.454882345725748 1.5078e-08 au   Orbit Determination Parameters    # obs. used (total)      3264      data-arc span      41121 days (112.58 yr)      first obs. used      1908-08-22      last obs. used      2021-03-23      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .41569      source      ORB      producer      Otto Matic      solution date      2021-May-03 19:56:41   Additional Information  Earth MOID = 1.76134 au   Jupiter MOID = 2.02454 au   T_jup = 3.208  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 10.91   n/a E2021B10   diameter diameter 48.460 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 7.7475 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Lang, K. (2015) Minor Planet Bull. 42, 136-137.] [Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.040   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   2043 Ortutay           Discovered 1936 Nov. 12 by G. Kulin at Budapest. Named in memory of Gyula Ortutay, a professor of ethnography and a Hungarian cultural leader who patronized the popularization of astronomy in his country. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC 5183 Last Updated: 2006-03-21 Alternate Designations  1936 TH = 1935 PE = 1947 TD = 1947 VA = 1951 LQ = 1952 QG = 1958 UN = 1958 XR = 1963 SN = 1969 UY = 1971 DB = 1972 HS1 = 1974 SW1 = 1975 XT5 = A908 QB  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-May-14 00:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin