+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07403584191459781 3.2299e-08   a 3.381387577642826 2.0448e-08 au q 3.131043701492477 1.075e-07 au i 6.732481053706936 4.5127e-06 deg node 187.7503468322663 3.0497e-05 deg peri 280.0624783291623 4.3455e-05 deg M 40.34307083237321 3.0856e-05 deg tp 2458945.988560029186 (2020-Apr-06.48856003) 0.0001942 TDB period 2271.124049287032 6.22 2.0601e-05 5.64e-08 d yr n .1585118171387485 1.4378e-09 deg/d Q 3.631731453793176 2.1961e-08 au   Orbit Determination Parameters    # obs. used (total)      1984      data-arc span      11336 days (31.04 yr)      first obs. used      1990-03-02      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48694      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:46:58   Additional Information  Earth MOID = 2.15718 au   Jupiter MOID = 1.49989 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 12.86   n/a E2021B10   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-Apr-18 19:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin