+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344454 (2002 LL42) Classification: Main-belt Asteroid          SPK-ID: 2344454 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2178245978797158 5.1919e-08   a 2.657031306575758 1.9126e-08 au q 2.078264530667077 1.3879e-07 au i 13.35951834019282 6.207e-06 deg node 233.3430763325043 2.1702e-05 deg peri 31.75097931893604 2.975e-05 deg M 94.10544560262063 1.7319e-05 deg tp 2458786.971268814413 (2019-Oct-30.47126881) 7.3682e-05 TDB period 1581.952481851546 4.33 1.7081e-05 4.677e-08 d yr n .2275668859399932 2.4571e-09 deg/d Q 3.235798082484438 2.3292e-08 au   Orbit Determination Parameters    # obs. used (total)      232      data-arc span      6728 days (18.42 yr)      first obs. used      2002-06-10      last obs. used      2020-11-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56726      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 08:32:24   Additional Information  Earth MOID = 1.07349 au   Jupiter MOID = 1.86355 au   T_jup = 3.315  [ hide covariance matrix ] Orbital Elements at Epoch 2458008.5 (2017-Sep-12.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2174634563961793 5.1873e-08   q 2.0799828760412 1.3851e-07 au tp 2458787.712732386404 (2019-Oct-31.21273239) 7.3993e-05 TDB node 233.3606640976529 2.1687e-05 deg peri 31.8962223670138 2.9789e-05 deg i 13.36230774909115 6.2086e-06 deg   Orbit Determination Parameters    # obs. used (total)      232      data-arc span      6728 days (18.42 yr)      first obs. used      2002-06-10      last obs. used      2020-11-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56726      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 08:32:24   Additional Information  Jupiter MOID = 1.86355 au   T_jup = 3.315  Orbit Covariance (6×6)   e q tp node peri i e 2.690794479300118E-15 -7.143202330914796E-15 -1.621324907524446E-12 6.724105680232242E-14 -5.963945428116597E-13 -4.82470283373573E-15 q -7.143202330914796E-15 1.918556999943392E-14 4.866206321447555E-12 -1.890519811987361E-13 1.697920602617718E-12 1.377715503845705E-14 tp -1.621324907524446E-12 4.866206321447555E-12 5.474973974929329E-9 -8.972667647984351E-11 1.506385045020445E-9 -4.030614758591966E-12 node 6.724105680232242E-14 -1.890519811987361E-13 -8.972667647984351E-11 4.703156606366773E-10 -4.818106658411534E-10 -3.032554914741034E-11 peri -5.963945428116597E-13 1.697920602617718E-12 1.506385045020445E-9 -4.818106658411534E-10 8.873853960320501E-10 2.858288424609516E-11 i -4.82470283373573E-15 1.377715503845705E-14 -4.030614758591966E-12 -3.032554914741034E-11 2.858288424609516E-11 3.854662907135831E-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 16.5   n/a MPO534585   344454 (2002 LL42)          Discovered 2002-Jun-10 by LINEAR at Socorro Reference: 20121128/Numbers.arc Last Updated: 2012-12-03 [ show close-approach data ] Alternate Designations  2002 LL42 = 2012 TF300  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 10:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin