+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1900 Katyusha (1971 YB) Classification: Main-belt Asteroid          SPK-ID: 2001900 [ 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 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1342372044305269 1.0993e-08   a 2.209334598602075 4.9222e-09 au q 1.912759698434092 2.5662e-08 au i 6.546547614754406 2.9665e-07 deg node 281.8814008518975 6.4652e-06 deg peri 142.9459383084021 6.6064e-06 deg M 353.7145235314543 6.5733e-06 deg tp 2459221.442396199284 (2021-Jan-06.94239620) 2.1918e-05 TDB period 1199.473527499572 3.28 4.0085e-06 1.097e-08 d yr n .3001316758948883 1.003e-09 deg/d Q 2.505909498770058 5.5829e-09 au   Orbit Determination Parameters    # obs. used (total)      2993      data-arc span      24805 days (67.91 yr)      first obs. used      1953-04-14      last obs. used      2021-03-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .38442      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 13:05:34   Additional Information  Earth MOID = .930677 au   Jupiter MOID = 2.76254 au   T_jup = 3.638  [ 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 12.31   n/a E2021B10   diameter diameter 8.820 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 9.4999 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Sada, P.V. (2008) Minor Planet Bull. 35, 105-107.] [Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] [Dykhuis, M.J.; Molnar, L.A.; Gates, C.J.; Gonzales, J.A.; et al. (2016) Icarus 267, 174-203.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.299   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1900 Katyusha (1971 YB)          Discovered 1971-Dec-16 by Smirnova, T. at Nauchnyj Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1971 YB = 1938 WM = 1941 SS1 = 1950 LS = 1953 GL1 = 1961 WD = 1969 DC  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-22 23:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin