+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   59746 (1999 LN13) Classification: Main-belt Asteroid          SPK-ID: 2059746 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .151165410820406 4.6622e-08   a 2.712940097810817 1.68e-08 au q 2.302837393394092 1.226e-07 au i 15.24760013585671 4.5012e-06 deg node 108.2487334203904 1.7693e-05 deg peri 196.0232650186168 2.764e-05 deg M 260.8834328576444 2.6112e-05 deg tp 2459649.868354290052 (2022-Mar-11.36835429) 0.00012066 TDB period 1632.144980486198 4.47 1.5161e-05 4.151e-08 d yr n .2205686408402028 2.0488e-09 deg/d Q 3.123042802227541 1.9339e-08 au   Orbit Determination Parameters    # obs. used (total)      1291      data-arc span      7954 days (21.78 yr)      first obs. used      1999-06-09      last obs. used      2021-03-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52132      source      ORB      producer      Otto Matic      solution date      2021-May-04 06:45:50   Additional Information  Earth MOID = 1.28862 au   Jupiter MOID = 2.11012 au   T_jup = 3.295  [ hide covariance matrix ] Orbital Elements at Epoch 2457199.5 (2015-Jun-26.0) TDB Reference: JPL 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1516875049522008 4.6664e-08   q 2.302247153465643 1.2288e-07 au tp 2458013.205761297889 (2017-Sep-16.70576130) 0.00011254 TDB node 108.3805094854816 1.7655e-05 deg peri 195.194187904631 2.7547e-05 deg i 15.26429314541539 4.5058e-06 deg   Orbit Determination Parameters    # obs. used (total)      1291      data-arc span      7954 days (21.78 yr)      first obs. used      1999-06-09      last obs. used      2021-03-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52132      source      ORB      producer      Otto Matic      solution date      2021-May-04 06:45:50   Additional Information  Jupiter MOID = 2.11012 au   T_jup = 3.295  Orbit Covariance (6×6)   e q tp node peri i e 2.177535593422148E-15 -5.699366937247338E-15 2.399260202370916E-12 -5.319269467774321E-15 4.248977807064123E-13 5.268806456727153E-16 q -5.699366937247338E-15 1.509988382115801E-14 -5.740089448666213E-12 1.248448220855412E-14 -1.026490770412067E-12 -1.728295671738983E-15 tp 2.399260202370916E-12 -5.740089448666213E-12 1.266620494858143E-8 -4.253306399136829E-11 2.404530824278276E-9 -1.127209718216665E-11 node -5.319269467774321E-15 1.248448220855412E-14 -4.253306399136829E-11 3.116976088464072E-10 -3.082569880794049E-10 1.223917752236973E-11 peri 4.248977807064123E-13 -1.026490770412067E-12 2.404530824278276E-9 -3.082569880794049E-10 7.588409275449594E-10 -1.399313722797226E-11 i 5.268806456727153E-16 -1.728295671738983E-15 -1.127209718216665E-11 1.223917752236973E-11 -1.399313722797226E-11 2.030195760292213E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.04   n/a MPCxxxxx   diameter diameter 3.863 km 0.929 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.392   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   59746 (1999 LN13)          Discovered 1999-Jun-09 by LINEAR at Socorro Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-May-10 23:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin