+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   215435 (2002 LW8) Classification: Main-belt Asteroid          SPK-ID: 2215435 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2399685474380116 4.4866e-08   a 2.316940920069364 1.1432e-08 au q 1.760947972980628 1.0614e-07 au i 5.242581643008661 7.9324e-06 deg node 201.0066532202965 5.3079e-05 deg peri 109.3375044330469 5.5942e-05 deg M 358.6846054882687 1.6567e-05 deg tp 2459005.206785331462 (2020-Jun-04.70678533) 5.929e-05 TDB period 1288.163136013164 3.53 9.5337e-06 2.61e-08 d yr n .2794677086585415 2.0683e-09 deg/d Q 2.872933867158099 1.4175e-08 au   Orbit Determination Parameters    # obs. used (total)      264      data-arc span      7540 days (20.64 yr)      first obs. used      1999-10-10      last obs. used      2020-06-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .66252      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 04:14:27   Additional Information  Earth MOID = .755461 au   Jupiter MOID = 2.43209 au   T_jup = 3.536  [ hide covariance matrix ] Orbital Elements at Epoch 2456980.5 (2014-Nov-19.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2395655267738668 4.4724e-08   q 1.762443400924151 1.0556e-07 au tp 2456427.495857229512 (2013-May-14.99585723) 5.6776e-05 TDB node 201.1617743569232 5.3205e-05 deg peri 108.9936360853513 5.6049e-05 deg i 5.234517158828328 7.9237e-06 deg   Orbit Determination Parameters    # obs. used (total)      264      data-arc span      7540 days (20.64 yr)      first obs. used      1999-10-10      last obs. used      2020-06-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .66252      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 04:14:27   Additional Information  Jupiter MOID = 2.43209 au   T_jup = 3.536  Orbit Covariance (6×6)   e q tp node peri i e 2.000260560786023E-15 -4.706236595707103E-15 7.244306702798535E-13 2.211464593289782E-15 2.524719867222503E-13 1.449950821653417E-15 q -4.706236595707103E-15 1.114393852574696E-14 -1.672801895182433E-12 -4.579550586555714E-15 -5.833043568326182E-13 -4.344688756347891E-15 tp 7.244306702798535E-13 -1.672801895182433E-12 3.223501394975761E-9 -1.406779329014252E-11 1.011772235159254E-9 2.846495476236765E-12 node 2.211464593289782E-15 -4.579550586555714E-15 -1.406779329014252E-11 2.830796021844178E-9 -2.822259445252755E-9 5.415619405841363E-13 peri 2.524719867222503E-13 -5.833043568326182E-13 1.011772235159254E-9 -2.822259445252755E-9 3.141460752344061E-9 2.187877809155757E-13 i 1.449950821653417E-15 -4.344688756347891E-15 2.846495476236765E-12 5.415619405841363E-13 2.187877809155757E-13 6.278429027073435E-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 17.2   n/a MPO433410   215435 (2002 LW8)          Discovered 2002-Jun-05 by LINEAR at Socorro Reference: 20090607/Numbers.arc Last Updated: 2009-06-08 Alternate Designations  2002 LW8 = 1999 TD316  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-12 20:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin