+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2012 QL14) Classification: Aten [NEO]          SPK-ID: 3607823 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .541083276358988 0.00052201   a .7735572429523099 6.9933e-05 au q .3549983554844484 0.0004359 au i 15.33940038970726 0.029676 deg node 329.7472234539684 0.0026805 deg peri 194.2293077441057 0.0029337 deg M 218.4013408569522 0.56757 deg tp 2459298.244820239094 (2021-Mar-24.74482024) 0.40505 TDB period 248.5061334551604 0.68 0.033699 9.226e-05 d yr n 1.448656397307623 0.00019645 deg/d Q 1.192116130420172 0.00010777 au   Orbit Determination Parameters    # obs. used (total)      19      data-arc span      24 days      first obs. used      2012-08-21      last obs. used      2012-09-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .3835      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:49:13   Additional Information  Earth MOID = .0725139 au   Jupiter MOID = 3.79235 au   T_jup = 7.352  [ 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 24.4   n/a MPO242011   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-04 19:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin