+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2001 QC34) Classification: Apollo [NEO, PHA]          SPK-ID: 3080638 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 151 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1876945468402834 2.495e-08   a 1.12861599827473 1.1948e-09 au q .9167809299218606 2.8406e-08 au i 6.23646090472898 2.7622e-06 deg node 271.4768797123696 2.4273e-05 deg peri 215.4361182406252 3.1765e-05 deg M 97.3657156598632 1.5997e-05 deg tp 2458882.053757048772 (2020-Feb-02.55375705) 1.9457e-05 TDB period 437.9431422391297 1.20 6.9542e-07 1.904e-09 d yr n .8220245170626043 1.3053e-09 deg/d Q 1.3404510666276 1.419e-09 au   Orbit Determination Parameters    # obs. used (total)      621      data-arc span      6906 days (18.91 yr)      first obs. used      2001-08-17      last obs. used      2020-07-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51293      source      ORB      producer      Otto Matic      solution date      2020-Sep-11 07:25:52   Additional Information  Earth MOID = .0284679 au   Jupiter MOID = 3.7052 au   T_jup = 5.520  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 20.1   n/a MPO281845   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-18 16:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin