+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11804 Zambon (1981 EE13) Classification: Main-belt Asteroid          SPK-ID: 2011804 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2007620695308354 4.8162e-08   a 2.593268340661513 1.3152e-08 au q 2.072638421741512 1.2973e-07 au i 7.471724136795521 5.3725e-06 deg node 325.1662050261448 3.8826e-05 deg peri 323.5210307943097 4.0821e-05 deg M 49.03141183234505 1.3744e-05 deg tp 2458792.749770637936 (2019-Nov-05.24977064) 5.7626e-05 TDB period 1525.350377959244 4.18 1.1604e-05 3.177e-08 d yr n .2360113487378824 1.7954e-09 deg/d Q 3.113898259581514 1.5792e-08 au   Orbit Determination Parameters    # obs. used (total)      1369      data-arc span      14414 days (39.46 yr)      first obs. used      1981-02-12      last obs. used      2020-07-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45283      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 00:27:56   Additional Information  Earth MOID = 1.06201 au   Jupiter MOID = 2.10768 au   T_jup = 3.378  [ 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 14.8   n/a MPO259427   11804 Zambon           Discovered 1981 Mar. 1 by S. J. Bus at Siding Spring. Francesca Zambon (b. 1981) is a researcher at the Istituto di Astrofisica e Planetologia Spaziali (IAPS-Rome) who uses Dawn spacecraft spectral data to map the mineralogy of both Vesta and Ceres. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2017-03-12 Last Updated: 2017-04-19 Alternate Designations  1981 EE13 = 1998 FE119  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-21 01:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin