+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2019 QS) Classification: Apollo [NEO]          SPK-ID: 3843578 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2458722.5 (2019-Aug-27.0) TDB Reference: JPL 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .7705187245864777 0.00062429   a 2.440173140266713 0.0057462 au q .5599740444582251 0.00020474 au i 4.094211630675748 0.0029835 deg node 163.3793307357399 0.00058364 deg peri 261.8849989381269 0.0011342 deg M 347.8677623482426 0.048025 deg tp 2458769.421058252445 (2019-Oct-12.92105825) 0.019999 TDB period 1392.288995297867 3.81 4.9179 0.01346 d yr n .258567008154066 0.00091332 deg/d Q 4.320372236075201 0.010174 au   Orbit Determination Parameters    # obs. used (total)      71      data-arc span      7 days      first obs. used      2019-08-21      last obs. used      2019-08-28      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      8      norm. resid. RMS      .48848      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 21:36:33   Additional Information  Earth MOID = .00999036 au   Jupiter MOID = 1.06904 au   T_jup = 3.003  [ 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 24.8   .44517 MPO496138 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Sep-08 09:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin