+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09910271513397335 8.1002e-08   a 2.168674019090538 1.5785e-08 au q 1.953752535558159 1.6722e-07 au i 3.192278006246084 5.5543e-06 deg node 126.2772955635448 0.00011522 deg peri 32.77053190508785 0.00011882 deg M 205.4834054507606 3.2441e-05 deg tp 2459701.182565639899 (2022-May-01.68256564) 0.00010891 TDB period 1166.513694895891 3.19 1.2736e-05 3.487e-08 d yr n .3086118933495499 3.3695e-09 deg/d Q 2.383595502622917 1.735e-08 au   Orbit Determination Parameters    # obs. used (total)      138      data-arc span      5877 days (16.09 yr)      first obs. used      2004-08-12      last obs. used      2020-09-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58443      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 13:25:13   Additional Information  Earth MOID = .963364 au   Jupiter MOID = 2.59166 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 18.49   n/a E2021B25   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 ] 2021-Mar-09 05:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin