+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1369 Ostanina (1935 QB) Classification: Main-belt Asteroid          SPK-ID: 2001369 [ 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 43 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2109425417349776 1.6283e-08   a 3.119267333852811 1.166e-08 au q 2.461281154099012 5.5152e-08 au i 14.36830039812168 9.6512e-07 deg node 180.4263680517279 1.678e-06 deg peri 127.9582603814951 4.4338e-06 deg M 217.3374191560697 6.4516e-06 deg tp 2459997.915913256224 (2023-Feb-22.41591326) 3.8706e-05 TDB period 2012.228624170823 5.51 1.1283e-05 3.089e-08 d yr n .1789061121960457 1.0031e-09 deg/d Q 3.77725351360661 1.4119e-08 au   Orbit Determination Parameters    # obs. used (total)      3123      data-arc span      33965 days (92.99 yr)      first obs. used      1928-03-18      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .42889      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 12:21:18   Additional Information  Earth MOID = 1.47559 au   Jupiter MOID = 1.78284 au   T_jup = 3.134  [ 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 10.76   n/a E2021B10   diameter diameter 42.401 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 8.4001 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Shevchenko, V.G.; Bel'skaya, I.N.; Krugly, Yu.N. (1999) Abstracts of IAU Colloq. 165, Poznan (543, 1369)] [Chiorny, V.G.; Shevchenko, V.G.; Krugly, Yu.N.; Velichko, F.P.; Gaftonyuk, N.M. (2003) Abstracts of Photometry and Polarimetry of Asteroids: Impact on Collaboration, Kharkiv, 9-10.] [Chiorny, V.G.; Shevchenko, V.G.; Krugly, Yu.N.; Velichko, F.P.; Gaftonyuk, N.M. (2007) Planet. Space Sci. 55, 986-997.] [Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Stephens R.D. (2017) Minor Planet Bull. 44, 321-323.] geometric albedo albedo 0.052   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1369 Ostanina (1935 QB)          Discovered 1935-Aug-27 by Shajn, P. at Simeis Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1935 QB = 1928 FE  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 04:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin