+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120361 Guido (2005 NZ) Classification: Main-belt Asteroid          SPK-ID: 2120361 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .181037839339009 5.4339e-08   a 2.674092533126922 1.5942e-08 au q 2.189980598737046 1.4675e-07 au i 12.43656327786658 5.4266e-06 deg node 258.2281474374278 2.7773e-05 deg peri 92.10668126569867 3.2136e-05 deg M 115.6965715457036 1.6592e-05 deg tp 2458487.188418912861 (2019-Jan-03.68841891) 7.1644e-05 TDB period 1597.213873518902 4.37 1.4283e-05 3.91e-08 d yr n .2253924824775445 2.0156e-09 deg/d Q 3.158204467516797 1.8828e-08 au   Orbit Determination Parameters    # obs. used (total)      566      data-arc span      24180 days (66.20 yr)      first obs. used      1953-11-13      last obs. used      2020-01-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60485      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 06:18:28   Additional Information  Earth MOID = 1.2269 au   Jupiter MOID = 2.4133 au   T_jup = 3.323  [ 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 15.1   n/a MPO412812   120361 Guido           Discovered 2005 July 3 by A. Lowe at RAS Observatory, Mayhill. Ernesto Guido (b. 1977) is an Italian amateur astronomer whose main interests lie in the astrometry and physical properties of comets. Using the remote facilities at Rent-a-Scope Observatory, he has also discovered a number of main-belt minor planets. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20070106/MPCPages.arc Last Updated: 2007-01-09 [ show close-approach data ] Alternate Designations  2005 NZ = 2003 BV23  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-10 19:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin