+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2010 JK1) Classification: Apollo [NEO]          SPK-ID: 3519518 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1503456218572588 7.7999e-07   a 1.029486568224459 1.1828e-07 au q .8747077699310578 7.0276e-07 au i .1669660250419606 4.498e-06 deg node 201.8304181002583 0.0011611 deg peri 137.8188001487289 0.001174 deg M 134.3402071401187 0.00044747 deg tp 2458858.125252525659 (2020-Jan-09.62525253) 0.0004497 TDB period 381.5306689031911 1.04 6.5754e-05 1.8e-07 d yr n .9435676587544415 1.6262e-07 deg/d Q 1.184265366517861 1.3607e-07 au   Orbit Determination Parameters    # obs. used (total)      81      # delay obs. used      0      # Doppler obs. used      1      data-arc span      978 days (2.68 yr)      first obs. used      2010-04-10      last obs. used      2012-12-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .48199      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:57:39   Additional Information  Earth MOID = .00181996 au   Jupiter MOID = 4.0369 au   T_jup = 5.934  [ hide covariance matrix ] Orbital Elements at Epoch 2455632.5 (2011-Mar-12.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1498475162390565 7.8299e-07   q .8721412164251388 6.7718e-07 au tp 2455807.298845537509 (2011-Sep-02.79884554) 8.123e-05 TDB node 203.5846639352671 0.0011043 deg peri 135.1625304801919 0.0011138 deg i .1699283522637766 4.5963e-06 deg   Orbit Determination Parameters    # obs. used (total)      81      # delay obs. used      0      # Doppler obs. used      1      data-arc span      978 days (2.68 yr)      first obs. used      2010-04-10      last obs. used      2012-12-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .48199      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:57:39   Additional Information  Jupiter MOID = 4.0369 au   T_jup = 5.934  Orbit Covariance (6×6)   e q tp node peri i e 6.130762539316059E-13 -5.302196878977326E-13 -6.329312470956127E-11 7.100859399230195E-11 -1.339721745130474E-10 7.637220888427641E-13 q -5.302196878977326E-13 4.585749210169287E-13 5.472553286795253E-11 -6.13393767545029E-11 1.157785710893788E-10 -6.590655589409444E-13 tp -6.329312470956127E-11 5.472553286795253E-11 6.598351488397824E-9 -7.348333035119472E-9 1.39051852215434E-8 -7.91104448041944E-11 node 7.100859399230195E-11 -6.13393767545029E-11 -7.348333035119472E-9 1.219465534594196E-6 -1.226787793139688E-6 4.659688914065114E-9 peri -1.339721745130474E-10 1.157785710893788E-10 1.39051852215434E-8 -1.226787793139688E-6 1.240632037782253E-6 -4.739189905506489E-9 i 7.637220888427641E-13 -6.590655589409444E-13 -7.91104448041944E-11 4.659688914065114E-9 -4.739189905506489E-9 2.112558309857281E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 24.4   n/a MPO248890   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-03 02:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin