+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   4349 Tiburcio (1989 LX) Classification: Main-belt Asteroid          SPK-ID: 2004349 [ 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 44 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2420460455713853 1.3343e-08   a 2.618862293836795 9.056e-09 au q 1.984977031717591 3.4896e-08 au i 10.746956135191 5.1231e-07 deg node 90.23180291314031 2.6868e-06 deg peri 281.2808940376871 4.629e-06 deg M 149.3342332812716 4.1133e-06 deg tp 2458558.368024125195 (2019-Mar-15.86802413) 1.5356e-05 TDB period 1547.987398706666 4.24 8.0294e-06 2.198e-08 d yr n .232560032659683 1.2063e-09 deg/d Q 3.252747555955998 1.1248e-08 au   Orbit Determination Parameters    # obs. used (total)      3087      data-arc span      32937 days (90.18 yr)      first obs. used      1931-01-10      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .39827      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 16:14:21   Additional Information  Earth MOID = 1.01748 au   Jupiter MOID = 2.31156 au   T_jup = 3.339  [ 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 11.91   n/a E2020-QM5   diameter diameter 28.091 km 0.371 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 16.284 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm] geometric albedo albedo 0.035   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   4349 Tiburcio (1989 LX)          Discovered 1989-Jun-05 by Landgraf, W. at La Silla Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1989 LX = 1931 AE = 1951 YV1 = 1959 SS = 1968 WD = 1982 BJ4 = 1984 MJ = 1986 AZ2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-14 06:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin