+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   413715 (2006 AB18) Classification: Main-belt Asteroid          SPK-ID: 2413715 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09865453863245623 8.3199e-08   a 2.16954590730053 1.6274e-08 au q 1.955510356773863 1.731e-07 au i 3.191896147198611 5.6377e-06 deg node 126.2742767491824 0.00015566 deg peri 32.78478922464799 0.00015995 deg M 143.7713555647199 3.7587e-05 deg tp 2458534.354431452300 (2019-Feb-19.85443145) 0.00011968 TDB period 1167.217238913977 3.20 1.3133e-05 3.596e-08 d yr n .3084258765188882 3.4703e-09 deg/d Q 2.383581457827197 1.7879e-08 au   Orbit Determination Parameters    # obs. used (total)      116      data-arc span      5351 days (14.65 yr)      first obs. used      2004-08-12      last obs. used      2019-04-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58834      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 06:21:15   Additional Information  Earth MOID = .965364 au   Jupiter MOID = 2.59256 au   T_jup = 3.682  [ 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 18.3   n/a MPO419033   413715 (2006 AB18)          Discovered 2005-Dec-27 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2014-11-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-07 10:52 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin