+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134399 (1997 LK1) Classification: Main-belt Asteroid          SPK-ID: 2134399 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1692702908243305 3.1953e-08   a 2.614154076522567 1.2224e-08 au q 2.171655455729983 8.0822e-08 au i 7.93812059791059 3.5229e-06 deg node 151.2052567613898 2.9222e-05 deg peri 176.2709813505657 3.1704e-05 deg M 143.8849009080754 1.3709e-05 deg tp 2458583.467670312623 (2019-Apr-09.96767031) 5.7191e-05 TDB period 1543.814794224797 4.23 1.0828e-05 2.965e-08 d yr n .233188593182752 1.6356e-09 deg/d Q 3.056652697315152 1.4293e-08 au   Orbit Determination Parameters    # obs. used (total)      590      data-arc span      8656 days (23.70 yr)      first obs. used      1997-06-01      last obs. used      2021-02-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5618      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 18:08:12   Additional Information  Earth MOID = 1.1584 au   Jupiter MOID = 2.29645 au   T_jup = 3.374  [ 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 16.0   n/a MPO449758   diameter diameter 3.449 km 0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.065   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   134399 (1997 LK1)          Discovered 1997-Jun-01 by Spacewatch at Kitt Peak Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 [ show close-approach data ] Alternate Designations  1997 LK1 = 2002 RW63  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-15 23:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin