+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   437564 (2014 AB7) Classification: Main-belt Asteroid          SPK-ID: 2437564 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1448865747041629 7.3671e-08   a 3.114864879367643 6.5044e-08 au q 2.66356277632977 2.4618e-07 au i 2.271020507874854 8.4903e-06 deg node 82.84424792206681 0.00023121 deg peri 50.06533874975114 0.00023408 deg M 45.54898511802533 3.574e-05 deg tp 2458746.441664170998 (2019-Sep-19.94166417) 0.00019625 TDB period 2007.970115282464 5.50 6.2895e-05 1.722e-07 d yr n .1792855368016063 5.6157e-09 deg/d Q 3.566166982405516 7.4468e-08 au   Orbit Determination Parameters    # obs. used (total)      81      data-arc span      4051 days (11.09 yr)      first obs. used      2009-02-28      last obs. used      2020-04-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .66219      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 09:36:51   Additional Information  Earth MOID = 1.67869 au   Jupiter MOID = 1.47814 au   T_jup = 3.200  [ hide covariance matrix ] Orbital Elements at Epoch 2457671.5 (2016-Oct-10.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1459522383849872 7.3664e-08   q 2.660349000017725 2.4613e-07 au tp 2456738.273305807911 (2014-Mar-21.77330581) 0.00018076 TDB node 82.85388902682352 0.00023122 deg peri 50.18916055515294 0.00023405 deg i 2.271178822588449 8.4906e-06 deg   Orbit Determination Parameters    # obs. used (total)      81      data-arc span      4051 days (11.09 yr)      first obs. used      2009-02-28      last obs. used      2020-04-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .66219      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 09:36:51   Additional Information  Jupiter MOID = 1.47814 au   T_jup = 3.200  Orbit Covariance (6×6)   e q tp node peri i e 5.426455952659239E-15 -1.768233034377629E-14 1.771521545464204E-12 1.655555719524768E-14 3.417188539514337E-13 -1.16981930023212E-15 q -1.768233034377629E-14 6.057788671111976E-14 -4.938191633339954E-12 -5.280449985396654E-14 -6.581543752231904E-13 4.897832691701845E-15 tp 1.771521545464204E-12 -4.938191633339954E-12 3.267516787265196E-8 -3.381312444467318E-11 6.601005604292048E-9 -2.198155495960255E-12 node 1.655555719524768E-14 -5.280449985396654E-14 -3.381312444467318E-11 5.346268802319616E-8 -5.34268540476109E-8 -2.718915109641419E-10 peri 3.417188539514337E-13 -6.581543752231904E-13 6.601005604292048E-9 -5.34268540476109E-8 5.477779776753404E-8 2.713507598777888E-10 i -1.16981930023212E-15 4.897832691701845E-15 -2.198155495960255E-12 -2.718915109641419E-10 2.713507598777888E-10 7.209000182476453E-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 16.9   n/a MPO419195   437564 (2014 AB7)          Discovered 2009-Feb-28 by Spacewatch at Kitt Peak Reference: Last Updated: 2015-06-04 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 16:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin