+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   13689 Succi (1997 RO7) Classification: Main-belt Asteroid          SPK-ID: 2013689 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05653104138781392 3.4896e-08   a 3.161948122178266 1.9951e-08 au q 2.983199902017286 1.0476e-07 au i 10.27417430654396 3.9344e-06 deg node 138.5914686850893 2.042e-05 deg peri 123.3469397583377 4.1243e-05 deg M 94.67281411170548 3.6303e-05 deg tp 2458460.425934340532 (2018-Dec-07.92593434) 0.00020619 TDB period 2053.669424128478 5.62 1.9437e-05 5.322e-08 d yr n .1752959827761833 1.6591e-09 deg/d Q 3.340696342339247 2.1078e-08 au   Orbit Determination Parameters    # obs. used (total)      1339      data-arc span      10696 days (29.28 yr)      first obs. used      1991-08-02      last obs. used      2020-11-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54202      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:54:09   Additional Information  Earth MOID = 1.98233 au   Jupiter MOID = 1.80006 au   T_jup = 3.177  [ 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 13.7   n/a MPO431659   diameter diameter 8.995 km 0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.095   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   13689 Succi           Discovered 1997 Sept. 9 by V. Giuliani at Sormano. Carlo Succi (1919-2000), a professor of physics at the University of Milan, was also director of the local section of the Istituto Nazionale di Fisica Nucleare. His interests ranged from a pioneering study of cosmic rays to the development of the Milan 50-MeV cyclotron. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20011130/MPCPages.arc Last Updated: 2009-05-11 [ show close-approach data ] Alternate Designations  1997 RO7 = 1991 PO1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 06:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin