+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   259171 (2003 AB) Classification: Main-belt Asteroid          SPK-ID: 2259171 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1094384553208101 4.6395e-08   a 2.568321681658438 1.5752e-08 au q 2.287248524050793 1.1916e-07 au i 8.373243144089406 4.9018e-06 deg node 67.67339245869796 3.271e-05 deg peri 80.73974012609897 4.2833e-05 deg M 30.54384546036509 2.6409e-05 deg tp 2458872.946092632382 (2020-Jan-24.44609263) 0.0001102 TDB period 1503.393104575819 4.12 1.3831e-05 3.787e-08 d yr n .2394583285664156 2.203e-09 deg/d Q 2.849394839266083 1.7476e-08 au   Orbit Determination Parameters    # obs. used (total)      435      data-arc span      6397 days (17.51 yr)      first obs. used      2002-11-14      last obs. used      2020-05-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59111      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 23:11:56   Additional Information  Earth MOID = 1.31682 au   Jupiter MOID = 2.19446 au   T_jup = 3.408  [ 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 16.4   n/a MPO367765   259171 (2003 AB)          Discovered 2003-Jan-01 by Zoltowski, F. B. at Tebbutt Reference: 20110119/Numbers.arc Last Updated: 2011-01-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-17 23:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin