+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19149 Boccaccio (1990 EZ2) Classification: Outer Main-belt Asteroid          SPK-ID: 2019149 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07401282350983494 3.1594e-08   a 3.380676370513522 1.9297e-08 au q 3.130462966958836 1.0353e-07 au i 6.733480892509514 4.4868e-06 deg node 187.7476225290069 2.8115e-05 deg peri 279.8894856407103 4.1502e-05 deg M 71.58168171681967 3.0145e-05 deg tp 2458945.056690995073 (2020-Apr-05.55669100) 0.00018958 TDB period 2270.407558804057 6.22 1.9439e-05 5.322e-08 d yr n .1585618399674598 1.3576e-09 deg/d Q 3.630889774068209 2.0725e-08 au   Orbit Determination Parameters    # obs. used (total)      2130      data-arc span      11424 days (31.28 yr)      first obs. used      1990-03-02      last obs. used      2021-06-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47948      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 04:45:35   Additional Information  Earth MOID = 2.15706 au   Jupiter MOID = 1.50082 au   T_jup = 3.136  [ 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 12.88   n/a MPCxxxxx   diameter diameter 14.592 km 0.782 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.076   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   19149 Boccaccio           Discovered 1990 Mar. 2 by E. W. Elst at the European Southern Observatory. Giovanni Boccaccio (1313-1375) was an Italian poet and essayist, known for the psychological romance Elegia di Madonna Fiammetta (1343-1344), which expresses his love for Maria d´Aquino, daughter of the king of Naples. He was more famous for his masterpiece Il Decamerone (1349-1351), written in common language. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20040713/MPCPages.arc Last Updated: 2004-07-14 [ show close-approach data ] Alternate Designations  1990 EZ2 = 1993 RB17  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jul-25 01:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin