+ 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 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1938794392733274 4.0986e-08   a 3.069130729940564 1.6445e-08 au q 2.47408938496315 1.3133e-07 au i .8805490759127261 4.095e-06 deg node 214.0540745015884 0.00026359 deg peri 161.8672197397912 0.00026377 deg M 290.8891181128924 1.1883e-05 deg tp 2459377.520914378409 (2021-Jun-12.02091438) 6.6763e-05 TDB period 1963.909669072632 5.38 1.5785e-05 4.322e-08 d yr n .183307819941634 1.4733e-09 deg/d Q 3.664172074917979 1.9633e-08 au   Orbit Determination Parameters    # obs. used (total)      1979      data-arc span      15277 days (41.83 yr)      first obs. used      1978-10-09      last obs. used      2020-08-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52347      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 00:24:38   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 ] 2020-Oct-27 23:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin