+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17435 di Giovanni (1989 SP3) Classification: Mars-crossing Asteroid          SPK-ID: 2017435 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3160998300553613 3.4725e-08   a 2.368575115825329 1.0088e-08 au q 1.619868924239585 7.928e-08 au i 22.08733124412045 4.8474e-06 deg node 192.2253948940233 9.8017e-06 deg peri 298.4255700958992 1.2092e-05 deg M 130.339709926887 8.207e-06 deg tp 2458718.437421242831 (2019-Aug-22.93742124) 2.8655e-05 TDB period 1331.463208334039 3.65 8.506e-06 2.329e-08 d yr n .2703792322211001 1.7273e-09 deg/d Q 3.117281307411073 1.3276e-08 au   Orbit Determination Parameters    # obs. used (total)      1616      data-arc span      11340 days (31.05 yr)      first obs. used      1989-09-26      last obs. used      2020-10-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .42711      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:03:00   Additional Information  Earth MOID = .726484 au   Jupiter MOID = 2.21216 au   T_jup = 3.383  [ 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 14.42   n/a E2021B10   diameter diameter 3.114 km 0.500 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   geometric albedo albedo 0.349   0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   17435 di Giovanni           Discovered 1989 Sept. 26 by E. W. Elst at the European Southern Observatory. Alessio di Giovanni (1872-1946) was a Sicilian poet who wrote about humble, realistic issues. Well known for Lu fattu di Bissana ("The Bissana Incident", 1900) and In la dispensa di la surfara ("In the storehouse of the sulfur mine", 1910), he devoted his life to poetic inspiration. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20050407/MPCPages.arc Last Updated: 2005-04-15 [ show close-approach data ] Alternate Designations  1989 SP3 = 1998 HN7  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jun-17 01:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin