+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   143649 (2003 QQ47) Classification: Apollo [NEO, PHA]          SPK-ID: 2143649 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 99 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1869518302753269 5.4775e-08   a 1.085395345163634 3.1296e-09 au q .8824786988129727 5.8025e-08 au i 62.09886317161241 2.877e-05 deg node .9918439462362497 6.8614e-06 deg peri 104.975292333808 2.0391e-05 deg M 219.4220724001768 1.9701e-05 deg tp 2459161.785377428079 (2020-Nov-08.28537743) 2.2915e-05 TDB period 413.0288222728171 1.13 1.7864e-06 4.891e-09 d yr n .8716098746305164 3.7698e-09 deg/d Q 1.288311991514296 3.7147e-09 au   Orbit Determination Parameters    # obs. used (total)      455      # delay obs. used      0      # Doppler obs. used      1      data-arc span      6203 days (16.98 yr)      first obs. used      2003-08-24      last obs. used      2020-08-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48987      source      ORB      producer      Otto Matic      solution date      2020-Aug-18 06:08:28   Additional Information  Earth MOID = .00264509 au   Jupiter MOID = 3.83848 au   T_jup = 5.214  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.4   n/a MPO270684   rotation period rot_per 3.679 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Warner, Brian D. (2014) Minor Planet Bull. 41, 213-224.] 143649 (2003 QQ47)          Discovered 2003-Aug-24 by LINEAR at Socorro Reference: 20061205/Numbers.arc Last Updated: 2006-12-13 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-20 06:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin