+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14473 (1993 TL17) Classification: Main-belt Asteroid          SPK-ID: 2014473 [ 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 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1674432621625601 3.7509e-08   a 2.712158786645296 1.0445e-08 au q 2.258026071906556 1.0149e-07 au i 9.651199641627061 4.2835e-06 deg node 183.4542484315603 1.7612e-05 deg peri 358.5994494402541 1.99e-05 deg M 234.0111703032836 1.0745e-05 deg tp 2459771.453364208282 (2022-Jul-10.95336421) 5.0381e-05 TDB period 1631.439958683405 4.47 9.4248e-06 2.58e-08 d yr n .2206639589056805 1.2748e-09 deg/d Q 3.166291501384035 1.2194e-08 au   Orbit Determination Parameters    # obs. used (total)      1884      data-arc span      10950 days (29.98 yr)      first obs. used      1991-03-15      last obs. used      2021-03-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48045      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:30:18   Additional Information  Earth MOID = 1.26025 au   Jupiter MOID = 1.79149 au   T_jup = 3.322  [ 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 13.98   n/a MPCxxxxx   diameter diameter 5.271 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.160   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14473 (1993 TL17)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla Reference: 20000418/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1993 TL17 = 1991 EX7 = 1997 RM4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-May-11 14:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin