+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   9162 Kwiila (1987 OA) Classification: Apollo [NEO]          SPK-ID: 2009162 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 55 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5954591095091988 3.853e-08   a 1.496114031453507 2.2342e-09 AU q .6052393025599843 5.7507e-08 AU i 9.014674639858297 7.7642e-06 deg node 180.1580133800795 4.0903e-05 deg peri 235.6477917088746 3.9781e-05 deg M 335.8970805584856 5.4251e-06 deg tp 2456445.252017554616 (2013-Jun-01.75201755) 1.0108e-05 JED period 668.4138972772365 1.83 1.4972e-06 4.099e-09 d yr n .5385884426796764 1.2064e-09 deg/d Q 2.386988760347029 3.5645e-09 AU   Orbit Determination Parameters    # obs. used (total)      332      data-arc span      9071 days (24.84 yr)      first obs. used      1987-07-18      last obs. used      2012-05-18      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .58426      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 15:44:10   Additional Information  Earth MOID = .0811138 AU   T_jup = 4.329  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 18.3 mag n/a PDS3 (MPC 32415)   9162 Kwiila           Discovered 1987 July 29 by J. E. Mueller at Palomar. Kwiila is one of the First People in the Luiseno creation story. Kwiila means "black oak", which is indigenous to Palomar Mountain, where the Luiseno traditionally gathered acorns during the summer months. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20081113/MPCPages.arc Last Updated: 2008-11-17 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-May-23 23:59 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin