+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11446 Betankur (1978 TO8) Classification: Main-belt Asteroid          SPK-ID: 2011446 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1938794389570314 4.0668e-08   a 3.069130729829268 1.6281e-08 au q 2.474089385844186 1.306e-07 au i .8805494052605007 4.0237e-06 deg node 214.0540730115263 0.00026346 deg peri 161.8672212357016 0.00026364 deg M 290.8891181555958 1.1826e-05 deg tp 2459377.520914124941 (2021-Jun-12.02091412) 6.6423e-05 TDB period 1963.909668965806 5.38 1.5627e-05 4.278e-08 d yr n .1833078199516049 1.4586e-09 deg/d Q 3.664172073814351 1.9437e-08 au   Orbit Determination Parameters    # obs. used (total)      2057      data-arc span      15371 days (42.08 yr)      first obs. used      1978-10-09      last obs. used      2020-11-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51768      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:46:00   Additional Information  Earth MOID = 1.47547 au   Jupiter MOID = 1.80226 au   T_jup = 3.202  [ 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 13.1   n/a MPO347616   diameter diameter 11.030 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.091   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   11446 Betankur           Discovered 1978 Oct. 9 by L. V. Zhuravleva at the Crimean Astrophysical Observatory. Avgustin Avgustinovich Betankur (1758-1824) was a civil engineer who built a gun foundry in Kazan, many bridges and several remarkable buildings, in particular a riding-house in Moscow. In 1810 he founded and headed the institute of communications engineers in St. Petersburg. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030614/MPCPages.arc Last Updated: 2005-04-26 [ show close-approach data ] Alternate Designations  1978 TO8 = 1983 RU  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 02:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin