+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   382631 (2002 QQ14) Classification: Main-belt Asteroid          SPK-ID: 2382631 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1407351727541129 5.3794e-08   a 2.260586472799156 1.2014e-08 au q 1.942442445024156 1.2384e-07 au i 6.397576441504834 6.1022e-06 deg node 175.310993702331 4.2805e-05 deg peri 181.3983087439696 4.8259e-05 deg M 62.67752884574053 1.9513e-05 deg tp 2458784.357844470654 (2019-Oct-27.85784447) 6.7285e-05 TDB period 1241.452517728811 3.40 9.8968e-06 2.71e-08 d yr n .2899828989501798 2.3117e-09 deg/d Q 2.578730500574156 1.3705e-08 au   Orbit Determination Parameters    # obs. used (total)      176      data-arc span      6315 days (17.29 yr)      first obs. used      2002-08-12      last obs. used      2019-11-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51771      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:41:11   Additional Information  Earth MOID = .93809 au   Jupiter MOID = 2.8608 au   T_jup = 3.599  [ hide covariance matrix ] Orbital Elements at Epoch 2457747.5 (2016-Dec-25.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1417615017717216 5.3889e-08   q 1.939862881053492 1.242e-07 au tp 2457542.655099416530 (2016-Jun-03.15509942) 6.7155e-05 TDB node 175.3625810906115 4.2767e-05 deg peri 181.2667426480622 4.8115e-05 deg i 6.400773878501391 6.1058e-06 deg   Orbit Determination Parameters    # obs. used (total)      176      data-arc span      6315 days (17.29 yr)      first obs. used      2002-08-12      last obs. used      2019-11-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51771      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:41:11   Additional Information  Jupiter MOID = 2.8608 au   T_jup = 3.599  Orbit Covariance (6×6)   e q tp node peri i e 2.904061318387287E-15 -6.670516292767515E-15 -1.89421350082843E-13 -3.383091453088394E-14 -2.249970658759988E-14 -6.724899393002751E-15 q -6.670516292767515E-15 1.54251124828365E-14 3.210610487370849E-13 7.645848970956156E-14 2.039740586725409E-14 1.573816664190197E-14 tp -1.89421350082843E-13 3.210610487370849E-13 4.509774440619642E-9 2.263828107678176E-11 1.496071062539079E-9 -3.408465192375908E-12 node -3.383091453088394E-14 7.645848970956156E-14 2.263828107678176E-11 1.829011924337891E-9 -1.808488462759375E-9 -1.013421250049082E-11 peri -2.249970658759988E-14 2.039740586725409E-14 1.496071062539079E-9 -1.808488462759375E-9 2.315017121207815E-9 8.989922950061304E-12 i -6.724899393002751E-15 1.573816664190197E-14 -3.408465192375908E-12 -1.013421250049082E-11 8.989922950061304E-12 3.728045031371057E-11 [ 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 17.5   n/a MPO494954   382631 (2002 QQ14)          Discovered 2002-Aug-26 by NEAT at Palomar Reference: Last Updated: 2014-01-21 [ show close-approach data ] Alternate Designations  2002 QQ14 = 2009 SE178  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-24 20:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin