+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   357343 (2003 QJ23) Classification: Main-belt Asteroid          SPK-ID: 2357343 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2639928284675407 3.6654e-08   a 3.178186166030183 2.1226e-08 au q 2.339167810663466 1.1474e-07 au i 26.02407990526055 7.8577e-06 deg node 172.9635358633122 9.6879e-06 deg peri 115.9337115247455 1.9705e-05 deg M 20.51951613460955 1.4176e-05 deg tp 2458882.540739546674 (2020-Feb-03.04073955) 8.1267e-05 TDB period 2069.509509123979 5.67 2.0732e-05 5.676e-08 d yr n .1739542623084576 1.7427e-09 deg/d Q 4.0172045213969 2.683e-08 au   Orbit Determination Parameters    # obs. used (total)      449      data-arc span      6794 days (18.60 yr)      first obs. used      2002-04-11      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5973      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:00:49   Additional Information  Earth MOID = 1.43693 au   Jupiter MOID = 1.90123 au   T_jup = 2.992  [ hide covariance matrix ] Orbital Elements at Epoch 2458076.5 (2017-Nov-19.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2636360556217816 3.6612e-08   q 2.339224137018649 1.1454e-07 au tp 2458883.345653670384 (2020-Feb-03.84565367) 8.1384e-05 TDB node 173.0082584214837 9.686e-06 deg peri 116.0674155241266 1.9745e-05 deg i 26.02477810174559 7.8591e-06 deg   Orbit Determination Parameters    # obs. used (total)      449      data-arc span      6794 days (18.60 yr)      first obs. used      2002-04-11      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5973      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:00:49   Additional Information  Jupiter MOID = 1.90123 au   T_jup = 2.992  Orbit Covariance (6×6)   e q tp node peri i e 1.340426827847711E-15 -4.155961577533614E-15 8.391966317961903E-13 1.169996838942837E-15 1.220683609609274E-13 1.578385364128594E-15 q -4.155961577533614E-15 1.311877338762123E-14 -2.477206012828544E-12 -4.080121204069843E-15 -3.757024972981071E-13 -3.590626000402521E-15 tp 8.391966317961903E-13 -2.477206012828544E-12 6.623279303340808E-9 -6.047691698914621E-12 1.401594334959272E-9 1.5564952918466E-11 node 1.169996838942837E-15 -4.080121204069843E-15 -6.047691698914621E-12 9.381906553274697E-11 -8.507533770167317E-11 2.055782266617535E-11 peri 1.220683609609274E-13 -3.757024972981071E-13 1.401594334959272E-9 -8.507533770167317E-11 3.898778909155742E-10 -1.539005552007954E-11 i 1.578385364128594E-15 -3.590626000402521E-15 1.5564952918466E-11 2.055782266617535E-11 -1.539005552007954E-11 6.17651978184002E-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 15.2   n/a MPO476671   357343 (2003 QJ23)          Discovered 2003-Aug-20 by NEAT at Palomar Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ show close-approach data ] Alternate Designations  2003 QJ23 = 2002 JM108  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 19:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin