+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1259 Ogyalla (1933 BT) Classification: Main-belt Asteroid          SPK-ID: 2001259 [ 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 45 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .127237416823867 3.3353e-08   a 3.103904819896235 1.2045e-08 au q 2.708971988545488 1.0459e-07 au i 2.380577057448687 3.5011e-06 deg node 74.9932357297066 8.6172e-05 deg peri 150.2368975806095 8.7196e-05 deg M 310.2950179360427 1.4804e-05 deg tp 2459476.277252480277 (2021-Sep-18.77725248) 8.2816e-05 TDB period 1997.381485122606 5.47 1.1626e-05 3.183e-08 d yr n .180235975291371 1.0491e-09 deg/d Q 3.498837651246983 1.3577e-08 au   Orbit Determination Parameters    # obs. used (total)      3604      data-arc span      33935 days (92.91 yr)      first obs. used      1928-02-23      last obs. used      2021-01-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .43415      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:53:53   Additional Information  Earth MOID = 1.69881 au   Jupiter MOID = 1.47987 au   T_jup = 3.207  [ 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 10.64   n/a E2021B10   diameter diameter 36.111 km 0.510 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 17.334 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Mansego, E.A.; Rodriguez, P.B.; de Haro, J.L.; Chiner, O.R.; et al. (2016) Minor Planet Bull. 43, 332-336.] [Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] geometric albedo albedo 0.066   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1259 Ogyalla (1933 BT)          Discovered 1933-Jan-29 by Reinmuth, K. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1933 BT = 1928 DJ1 = 1928 FO = 1929 MA = 1935 QE1 = 1949 YN = 1956 JF  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-27 20:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin