+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14573 Montebugnoli (1998 QD55) Classification: Main-belt Asteroid          SPK-ID: 2014573 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1490761063976372 4.3507e-08   a 2.311574530175347 6.3607e-09 au q 1.966973999568859 1.0139e-07 au i 5.555014518882013 6.2675e-06 deg node 191.2159569675493 3.2871e-05 deg peri 223.0581025004931 3.8028e-05 deg M 80.96352818361888 1.948e-05 deg tp 2458911.799721821291 (2020-Mar-03.29972182) 6.9141e-05 TDB period 1283.69035386681 3.51 5.2984e-06 1.451e-08 d yr n .2804414623165051 1.1575e-09 deg/d Q 2.656175060781836 7.3089e-09 au   Orbit Determination Parameters    # obs. used (total)      897      data-arc span      10693 days (29.28 yr)      first obs. used      1991-10-08      last obs. used      2021-01-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55078      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:18:54   Additional Information  Earth MOID = .981196 au   Jupiter MOID = 2.69701 au   T_jup = 3.563  [ 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 15.5   n/a MPO439194   diameter diameter 2.264 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.238   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14573 Montebugnoli           Discovered 1998 Aug. 27 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station. Stelio Montebugnoli (b. 1948) is chief engineer in charge of the Medicina Radiotelescope Station. In Dec. 2001, he successfully collaborated in the first intercontinental planetary radar experiment in Italy, in which echoes were received from (33342) 1998 WT 24 . NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030318/MPCPages.arc Last Updated: 2003-10-02 [ show close-approach data ] Alternate Designations  1998 QD55 = 1993 FE60 = 1997 KF4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-12 16:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin