+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344027 (2012 JJ11) Classification: Inner Main-belt Asteroid          SPK-ID: 2344027 [ 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 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .011498702167688 1.2892e-07   a 1.878593860942964 1.5745e-08 au q 1.856992469641934 2.5089e-07 au i 24.30592140518418 9.3888e-06 deg node 99.57135401213453 2.2036e-05 deg peri 137.44895857559 0.00035367 deg M 37.69218258155212 0.00035941 deg tp 2458902.031672722393 (2020-Feb-22.53167272) 0.00093815 TDB period 940.4761250755557 2.57 1.1824e-05 3.237e-08 d yr n .3827848367454074 4.8124e-09 deg/d Q 1.900195252243994 1.5926e-08 au   Orbit Determination Parameters    # obs. used (total)      147      data-arc span      6629 days (18.15 yr)      first obs. used      2000-12-01      last obs. used      2019-01-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5844      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 14:41:24   Additional Information  Earth MOID = .84587 au   Jupiter MOID = 3.21954 au   T_jup = 3.865  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.5   n/a MPO471575   344027 (2012 JJ11)          Discovered 2002-Jul-06 by NEAT at Palomar Reference: 20121029/Numbers.arc Last Updated: 2012-11-08 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-15 05:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin