+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134400 (1997 LK17) Classification: Main-belt Asteroid          SPK-ID: 2134400 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1374855909699842 3.7593e-08   a 2.548024940305643 1.217e-08 au q 2.197708225581463 9.6913e-08 au i 4.786814394896997 5.4968e-06 deg node 169.4572964163663 3.9005e-05 deg peri 144.1781104856261 4.4099e-05 deg M 228.7929612614326 1.9485e-05 deg tp 2459741.950266548097 (2022-Jun-11.45026655) 8.0898e-05 TDB period 1485.607005777343 4.07 1.0644e-05 2.914e-08 d yr n .2423251900401682 1.7361e-09 deg/d Q 2.898341655029822 1.3844e-08 au   Orbit Determination Parameters    # obs. used (total)      854      data-arc span      11077 days (30.33 yr)      first obs. used      1990-11-16      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56125      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 18:08:13   Additional Information  Earth MOID = 1.18412 au   Jupiter MOID = 2.37397 au   T_jup = 3.424  [ 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 15.8   n/a MPO453828   diameter diameter 3.427 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.079   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   134400 (1997 LK17)          Discovered 1997-Jun-08 by Elst, E. W. at La Silla Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 [ show close-approach data ] Alternate Designations  1997 LK17 = 2001 KY20  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-15 06:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin