+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   91399 (1999 LO35) Classification: Main-belt Asteroid          SPK-ID: 2091399 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1520361860584431 5.1625e-08   a 2.7756985043854 2.4291e-08 au q 2.353691890130519 1.4119e-07 au i 35.68748357615208 6.0829e-06 deg node 134.0492227895295 7.743e-06 deg peri 194.0251813514988 1.7693e-05 deg M 130.957543675827 1.5363e-05 deg tp 2458386.052355380519 (2018-Sep-24.55235538) 7.2938e-05 TDB period 1689.10584189465 4.62 2.2173e-05 6.071e-08 d yr n .2131305162003302 2.7977e-09 deg/d Q 3.197705118640282 2.7984e-08 au   Orbit Determination Parameters    # obs. used (total)      631      data-arc span      7830 days (21.44 yr)      first obs. used      1999-06-08      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54195      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:19:18   Additional Information  Earth MOID = 1.34667 au   Jupiter MOID = 2.14797 au   T_jup = 3.047  [ hide covariance matrix ] Orbital Elements at Epoch 2457434.5 (2016-Feb-16.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1525242222800327 5.1862e-08   q 2.351122530350101 1.4198e-07 au tp 2456696.006363983441 (2014-Feb-07.50636398) 7.8665e-05 TDB node 134.1349741159486 7.741e-06 deg peri 193.5807428375068 1.758e-05 deg i 35.7205664858464 6.0823e-06 deg   Orbit Determination Parameters    # obs. used (total)      631      data-arc span      7830 days (21.44 yr)      first obs. used      1999-06-08      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54195      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:19:18   Additional Information  Jupiter MOID = 2.14797 au   T_jup = 3.047  Orbit Covariance (6×6)   e q tp node peri i e 2.689671186569893E-15 -7.289008679828584E-15 -8.922832201476842E-13 -8.41764797698731E-15 -2.093614861049696E-13 1.001056507637734E-14 q -7.289008679828584E-15 2.015913913829853E-14 1.810334702548677E-12 2.339277285280203E-14 4.868130322138937E-13 -2.334759077080195E-14 tp -8.922832201476842E-13 1.810334702548677E-12 6.188149955963554E-9 -7.417552855436806E-12 1.249326036385238E-9 -1.931640329564104E-11 node -8.41764797698731E-15 2.339277285280203E-14 -7.417552855436806E-12 5.992353765603449E-11 -4.950717697194322E-11 -5.401802141062862E-12 peri -2.093614861049696E-13 4.868130322138937E-13 1.249326036385238E-9 -4.950717697194322E-11 3.090423200246695E-10 4.618927388444759E-13 i 1.001056507637734E-14 -2.334759077080195E-14 -1.931640329564104E-11 -5.401802141062862E-12 4.618927388444759E-13 3.699456359676252E-11 [ 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 14.6   n/a MPO359382   91399 (1999 LO35)          Discovered 1999-Jun-08 by CSS at Catalina Reference: 20041028/Numbers.arc Last Updated: 2004-10-29 [ show close-approach data ] Alternate Designations  1999 LO35 = 2003 FL4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-19 07:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin