+ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2399685694759816 4.0771e-08   a 2.316940909648098 7.936e-09 au q 1.760947913999465 9.3877e-08 au i 5.242580737730173 6.5618e-06 deg node 201.0066594698708 3.8007e-05 deg peri 109.3374923586312 4.1991e-05 deg M 358.6846175640062 1.3746e-05 deg tp 2459005.206742089929 (2020-Jun-04.70674209) 4.9184e-05 TDB period 1288.163127322206 3.53 6.6183e-06 1.812e-08 d yr n .2794677105440496 1.4359e-09 deg/d Q 2.872933905296732 9.8404e-09 au   Orbit Determination Parameters    # obs. used (total)      442      data-arc span      7697 days (21.07 yr)      first obs. used      1999-10-10      last obs. used      2020-11-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55953      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 05:26:40   Additional Information  Earth MOID = .755461 au   Jupiter MOID = 2.43209 au   T_jup = 3.536  [ hide covariance matrix ] Orbital Elements at Epoch 2457940.5 (2017-Jul-06.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2394773503431192 4.0792e-08   q 1.762146143160178 9.3964e-08 au tp 2457717.708198066549 (2016-Nov-25.20819807) 5.1069e-05 TDB node 201.0291504777297 3.799e-05 deg peri 109.4491244235369 4.1991e-05 deg i 5.243302174167995 6.5623e-06 deg   Orbit Determination Parameters    # obs. used (total)      442      data-arc span      7697 days (21.07 yr)      first obs. used      1999-10-10      last obs. used      2020-11-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55953      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 05:26:40   Additional Information  Jupiter MOID = 2.43209 au   T_jup = 3.536  Orbit Covariance (6×6)   e q tp node peri i e 1.663952899371405E-15 -3.825063612687671E-15 1.13196978131943E-12 -2.277250212132812E-14 3.573527838379284E-13 -6.585772476950975E-15 q -3.825063612687671E-15 8.829239312846953E-15 -2.721831947110047E-12 5.461085163509492E-14 -8.625367385379925E-13 1.495676808099685E-14 tp 1.13196978131943E-12 -2.721831947110047E-12 2.608011105046136E-9 -3.916609376859958E-11 9.194298921519999E-10 -7.509098763864714E-12 node -2.277250212132812E-14 5.461085163509492E-14 -3.916609376859958E-11 1.443203649171083E-9 -1.449491757873954E-9 -1.129827291930631E-10 peri 3.573527838379284E-13 -8.625367385379925E-13 9.194298921519999E-10 -1.449491757873954E-9 1.763243108158178E-9 1.101505403235921E-10 i -6.585772476950975E-15 1.495676808099685E-14 -7.509098763864714E-12 -1.129827291930631E-10 1.101505403235921E-10 4.306439608982146E-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 ] 2021-Jan-25 19:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin