+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2024318725044647 4.1208e-08   a 2.619337312108882 9.0661e-09 au q 2.08909995529787 1.0993e-07 au i 12.14683371005149 4.2293e-06 deg node 217.110654430534 1.9342e-05 deg peri 131.3141708591225 2.1513e-05 deg M 295.1511163769743 1.1198e-05 deg tp 2459279.423800673606 (2021-Mar-05.92380067) 4.8856e-05 TDB period 1548.408586741577 4.24 8.0391e-06 2.201e-08 d yr n .2324967731918698 1.2071e-09 deg/d Q 3.149574668919894 1.0901e-08 au   Orbit Determination Parameters    # obs. used (total)      2270      data-arc span      31952 days (87.48 yr)      first obs. used      1932-12-23      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .43505      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 15:33:03   Additional Information  Earth MOID = 1.10618 au   Jupiter MOID = 2.40279 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 11.2   n/a MPO435710   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. 2019-August); 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.] 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 ] 2020-Jul-04 02:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin