+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (1998 QA62) Classification: Apollo [NEO, PHA]          SPK-ID: 3013664 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2451058.5 (1998-Sep-02.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .7452136532589615 0.0047055   a 2.058831236774258 0.036789 au q .5245620893740472 0.00031445 au i 24.8728920647767 0.1135 deg node 181.6061674712147 0.05424 deg peri 273.1664763297848 0.19098 deg M 341.23832667213 0.56284 deg tp 2451114.733953724927 (1998-Oct-28.23395373) 0.17972 TDB period 1079.020137873384 2.95 28.921 0.07918 d yr n .3336360345503059 0.0089426 deg/d Q 3.593100384174469 0.064205 au   Orbit Determination Parameters    # obs. used (total)      48      data-arc span      22 days      first obs. used      1998-08-29      last obs. used      1998-09-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      9      norm. resid. RMS      .80938      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 09:17:44   Additional Information  Earth MOID = .0233903 au   Jupiter MOID = 2.47423 au   T_jup = 3.288  [ 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 19.0   n/a MPO57672   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-18 18:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin