+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   4583 Lugo (1989 RL4) Classification: Main-belt Asteroid          SPK-ID: 2004583 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .19236889475483 3.0324e-08   a 2.352153780017344 6.7302e-09 au q 1.899672557062012 7.1445e-08 au i 3.745627842432309 3.5611e-06 deg node 164.4628788811497 4.3815e-05 deg peri 142.3762838133452 4.4466e-05 deg M 273.2997086557104 8.942e-06 deg tp 2459517.832863508889 (2021-Oct-30.33286351) 3.3379e-05 TDB period 1317.640680231974 3.61 5.6552e-06 1.548e-08 d yr n .273215608322461 1.1726e-09 deg/d Q 2.804635002972675 8.0249e-09 au   Orbit Determination Parameters    # obs. used (total)      2902      data-arc span      24631 days (67.44 yr)      first obs. used      1953-10-14      last obs. used      2021-03-22      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .46373      source      ORB      producer      Otto Matic      solution date      2021-May-03 21:43:46   Additional Information  Earth MOID = .884591 au   Jupiter MOID = 2.4524 au   T_jup = 3.529  [ 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 13.35   n/a E2021B10   diameter diameter 13.761 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.053   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   4583 Lugo           Discovered 1989 Sept. 1 at Smolyan. Raymond Lugo (b. 1957) helped further the exploration of the planets through his dedication and hard work as deputy launch services manager on NASA's New Horizons Pluto-Kuiper Belt mission. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20051215/MPCPages.arc Last Updated: 2006-03-22 Alternate Designations  1989 RL4 = 1953 TR2 = 1964 VK = 1971 SH1 = 1974 HD1 = 1975 VM1 = 1982 UA1 = 1989 TY16  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jun-24 01:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin