+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344554 (2002 WG19) Classification: Main-belt Asteroid          SPK-ID: 2344554 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06997114228511887 3.551e-08   a 2.221573165262634 1.1305e-08 au q 2.066127153219241 7.824e-08 au i 6.443830975930681 3.8374e-06 deg node 224.6208902670537 3.7074e-05 deg peri 174.5532520739549 4.786e-05 deg M 123.744970053709 3.0814e-05 deg tp 2458584.767083234396 (2019-Apr-11.26708323) 0.00010285 TDB period 1209.454008277336 3.31 9.2315e-06 2.527e-08 d yr n .297654972852386 2.2719e-09 deg/d Q 2.377019177306028 1.2096e-08 au   Orbit Determination Parameters    # obs. used (total)      301      data-arc span      6326 days (17.32 yr)      first obs. used      2002-11-02      last obs. used      2020-02-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51867      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 17:02:26   Additional Information  Earth MOID = 1.07388 au   Jupiter MOID = 2.88085 au   T_jup = 3.638  [ hide covariance matrix ] Orbital Elements at Epoch 2457637.5 (2016-Sep-06.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0693820531533729 3.5579e-08   q 2.067403350643861 7.8342e-08 au tp 2457373.119140969514 (2015-Dec-16.61914097) 0.00010226 TDB node 224.645886912375 3.71e-05 deg peri 173.9922257975264 4.8024e-05 deg i 6.440821471969752 3.837e-06 deg   Orbit Determination Parameters    # obs. used (total)      301      data-arc span      6326 days (17.32 yr)      first obs. used      2002-11-02      last obs. used      2020-02-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51867      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 17:02:26   Additional Information  Jupiter MOID = 2.88085 au   T_jup = 3.638  Orbit Covariance (6×6)   e q tp node peri i e 1.265853490704277E-15 -2.762527514628019E-15 -8.762664971572274E-13 -3.428577003425564E-15 -2.652451812900922E-13 -1.681634754308985E-16 q -2.762527514628019E-15 6.137425786624297E-15 2.069630942185711E-12 9.20157560797311E-15 6.292333342749536E-13 4.268682033793854E-16 tp -8.762664971572274E-13 2.069630942185711E-12 1.045653347373996E-8 1.84300699334764E-11 3.13437838619157E-9 -6.94493077959684E-13 node -3.428577003425564E-15 9.20157560797311E-15 1.84300699334764E-11 1.376382245119005E-9 -1.361855442259125E-9 -2.317754192118761E-11 peri -2.652451812900922E-13 6.292333342749536E-13 3.13437838619157E-9 -1.361855442259125E-9 2.306345954764305E-9 2.287981267124076E-11 i -1.681634754308985E-16 4.268682033793854E-16 -6.94493077959684E-13 -2.317754192118761E-11 2.287981267124076E-11 1.47225707720605E-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 17.4   n/a MPO455508   344554 (2002 WG19)          Discovered 2002-Nov-25 by Hoenig, S. F. at Palomar Reference: 20121128/Numbers.arc Last Updated: 2012-12-03 [ show close-approach data ] Alternate Designations  2002 WG19 = 2004 JC47  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 08:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin