+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2179596439199496 7.8333e-08   a 2.657529593914706 2.5644e-08 au q 2.078295389918328 2.1852e-07 au i 13.35914349457484 9.0083e-06 deg node 233.3458730298123 2.5562e-05 deg peri 31.78410440790702 3.2441e-05 deg M 48.5479576513126 1.7399e-05 deg tp 2458787.105090720903 (2019-Oct-30.60509072) 7.4922e-05 TDB period 1582.397510771453 4.33 2.2904e-05 6.271e-08 d yr n .2275028856841997 3.2929e-09 deg/d Q 3.236763797911083 3.1233e-08 au   Orbit Determination Parameters    # obs. used (total)      165      data-arc span      6201 days (16.98 yr)      first obs. used      2002-06-10      last obs. used      2019-06-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60272      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 23:03:47   Additional Information  Earth MOID = 1.07518 au   Jupiter MOID = 1.86379 au   T_jup = 3.315  [ hide covariance matrix ] Orbital Elements at Epoch 2457208.5 (2015-Jul-05.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2169874620577801 7.8411e-08   q 2.081401419947426 2.1837e-07 au tp 2457204.619768840247 (2015-Jul-01.11976884) 6.7664e-05 TDB node 233.3711221000558 2.555e-05 deg peri 31.89272513245562 3.2511e-05 deg i 13.35933829640051 9.0085e-06 deg   Orbit Determination Parameters    # obs. used (total)      165      data-arc span      6201 days (16.98 yr)      first obs. used      2002-06-10      last obs. used      2019-06-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60272      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 23:03:47   Additional Information  Jupiter MOID = 1.86379 au   T_jup = 3.315  Orbit Covariance (6×6)   e q tp node peri i e 6.148316514301979E-15 -1.706764340459052E-14 -1.564433835979326E-12 1.330226945482207E-13 -5.048562042510162E-13 -3.865298493901273E-14 q -1.706764340459052E-14 4.768525361389026E-14 4.429637144333785E-12 -3.743293164301553E-13 1.42367912077629E-12 1.12696578032134E-13 tp -1.564433835979326E-12 4.429637144333785E-12 4.578412350431709E-9 -5.126040426300214E-11 1.385888793713782E-9 7.387490804475043E-12 node 1.330226945482207E-13 -3.743293164301553E-13 -5.126040426300214E-11 6.528230942271677E-10 -6.478977237727478E-10 5.47622445638784E-11 peri -5.048562042510162E-13 1.42367912077629E-12 1.385888793713782E-9 -6.478977237727478E-10 1.056963261973744E-9 -5.140161510211293E-11 i -3.865298493901273E-14 1.12696578032134E-13 7.387490804475043E-12 5.47622445638784E-11 -5.140161510211293E-11 8.115280138869477E-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 16.4   n/a MPO476591   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 ] 2020-Oct-28 15:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin