+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1554 Yugoslavia (1940 RE) Classification: Main-belt Asteroid          SPK-ID: 2001554 [ 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 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .202231609036145 3.3396e-08   a 2.619507290441178 8.659e-09 au q 2.089760116213346 9.0302e-08 au i 12.1444539171331 1.8296e-06 deg node 217.0747962823662 3.0293e-06 deg peri 131.2589762136888 5.4479e-06 deg M 341.7019363278236 6.022e-06 deg tp 2459279.210102474851 (2021-Mar-05.71010247) 2.6125e-05 TDB period 1548.559311990646 4.24 7.6783e-06 2.102e-08 d yr n .2324741436847041 1.1527e-09 deg/d Q 3.149254464669009 1.041e-08 au   Orbit Determination Parameters    # obs. used (total)      2592      data-arc span      32139 days (87.99 yr)      first obs. used      1932-12-23      last obs. used      2020-12-20      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .41394      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 12:36:52   Additional Information  Earth MOID = 1.10523 au   Jupiter MOID = 2.404 au   T_jup = 3.345  [ 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 11.29   n/a E2021B10   diameter diameter 16.185 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 3.8879 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Higgins, D. (2008) Minor Planet Bull. 35, 30-32.] [Benishek, V. (2013) Minor Planet Bull. 40, 100-101.] [Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.] [Ruthroff, J.C. (2013) Minor Planet Bull. 40, 90-91.] [Brines, P.; Lozano, J.; Rodrigo, O.; Fornas, A.; et al. (2017) Minor Planet Bull. 44, 145-149.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.117   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1554 Yugoslavia (1940 RE)          Discovered 1940-Sep-06 by Protitch, M. B. at Belgrade Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1940 RE = 1932 YA = 1935 JN = 1936 UH = 1948 MH  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jun-17 00:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin