+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17162 (1999 LX13) Classification: Main-belt Asteroid          SPK-ID: 2017162 [ 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 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07861733022004601 1.6036e-08   a 2.436826731032544 6.9612e-09 au q 2.245249919229923 4.1178e-08 au i 6.397453824930921 1.1522e-06 deg node 163.1925754360894 9.4122e-06 deg peri 334.3712728135283 1.496e-05 deg M 358.0992135193566 1.4336e-05 deg tp 2459207.836116772301 (2020-Dec-24.33611677) 5.5332e-05 TDB period 1389.425937590948 3.80 5.9537e-06 1.63e-08 d yr n .2590998125630106 1.1102e-09 deg/d Q 2.628403542835164 7.5084e-09 au   Orbit Determination Parameters    # obs. used (total)      2394      data-arc span      19320 days (52.90 yr)      first obs. used      1968-04-22      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48484      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 01:55:54   Additional Information  Earth MOID = 1.25991 au   Jupiter MOID = 2.37679 au   T_jup = 3.491  [ 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 13.62   n/a E2021B10   diameter diameter 4.965 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.237   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17162 (1999 LX13)          Discovered 1999-Jun-09 by LINEAR at Socorro Reference: 20000913/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 LX13 = 1968 HM = 1977 RO9 = 1983 EG = 1989 WB6 = 1996 TD54  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 15:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin