+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   295378 (2008 HQ65) Classification: Main-belt Asteroid          SPK-ID: 2295378 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2240693208454183 5.3716e-08   a 2.720822857062693 2.1937e-08 au q 2.111169927339965 1.4331e-07 au i 3.884781892900154 6.2573e-06 deg node 75.83524476216736 8.4371e-05 deg peri 130.9683138678706 8.5402e-05 deg M 260.6654585805777 1.4061e-05 deg tp 2459452.820861513878 (2021-Aug-26.32086151) 6.7134e-05 TDB period 1639.263722549966 4.49 1.9826e-05 5.428e-08 d yr n .2196107893121675 2.656e-09 deg/d Q 3.330475786785422 2.6853e-08 au   Orbit Determination Parameters    # obs. used (total)      197      data-arc span      7507 days (20.55 yr)      first obs. used      1999-05-10      last obs. used      2019-11-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60899      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 18:30:46   Additional Information  Earth MOID = 1.1091 au   Jupiter MOID = 1.63456 au   T_jup = 3.319  [ hide covariance matrix ] Orbital Elements at Epoch 2456902.5 (2014-Sep-02.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2244961707520662 5.366e-08   q 2.109199740870954 1.4315e-07 au tp 2456176.549030585477 (2012-Sep-06.04903059) 5.3961e-05 TDB node 75.85899132397796 8.4418e-05 deg peri 131.0825398188411 8.5445e-05 deg i 3.884489887356635 6.2559e-06 deg   Orbit Determination Parameters    # obs. used (total)      197      data-arc span      7507 days (20.55 yr)      first obs. used      1999-05-10      last obs. used      2019-11-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60899      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 18:30:46   Additional Information  Jupiter MOID = 1.63456 au   T_jup = 3.319  Orbit Covariance (6×6)   e q tp node peri i e 2.879354747968765E-15 -7.629554546580985E-15 3.719068184412245E-13 -1.473664425464583E-14 1.283378408954504E-13 -3.151132833307385E-16 q -7.629554546580985E-15 2.049102866708078E-14 -1.01546597511297E-12 3.806855651506166E-14 -3.177642979656186E-13 1.185925309051695E-15 tp 3.719068184412245E-13 -1.01546597511297E-12 2.911832399858382E-9 -2.845707253059428E-11 7.377494168830394E-10 6.505413146314991E-13 node -1.473664425464583E-14 3.806855651506166E-14 -2.845707253059428E-11 7.126398372511484E-9 -7.116461886955089E-9 -4.873024883795268E-11 peri 1.283378408954504E-13 -3.177642979656186E-13 7.377494168830394E-10 -7.116461886955089E-9 7.300802278387859E-9 4.888559781178264E-11 i -3.151132833307385E-16 1.185925309051695E-15 6.505413146314991E-13 -4.873024883795268E-11 4.888559781178264E-11 3.913667594584184E-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 16.6   n/a MPO418563   295378 (2008 HQ65)          Discovered 2008-Apr-29 by LINEAR at Socorro Reference: 20110912/Numbers.arc Last Updated: 2011-09-14 [ show close-approach data ] Alternate Designations  2008 HQ65 = 1999 JY32  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-05 02:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin