+ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1674432638329509 3.7659e-08   a 2.712158788192272 1.0468e-08 au q 2.258026068664137 1.0185e-07 au i 9.651199729372165 4.3112e-06 deg node 183.4542480964979 1.7645e-05 deg peri 358.5994496360207 1.9934e-05 deg M 234.01117018569 1.0748e-05 deg tp 2459771.453365229685 (2022-Jul-10.95336523) 5.0395e-05 TDB period 1631.43996007923 4.47 9.4453e-06 2.586e-08 d yr n .2206639587168852 1.2775e-09 deg/d Q 3.166291507720406 1.2221e-08 au   Orbit Determination Parameters    # obs. used (total)      1867      data-arc span      10902 days (29.85 yr)      first obs. used      1991-03-15      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48168      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:18:20   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 13.9   n/a MPO347639   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-Feb-27 19:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin