+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15325 (1993 QN7) Classification: Main-belt Asteroid          SPK-ID: 2015325 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1461074660801244 3.6374e-08   a 2.41835970337798 1.2544e-08 au q 2.065019295047141 8.9105e-08 au i 1.753982388766032 5.5855e-06 deg node 44.18713269759103 0.00012163 deg peri 290.1964903231508 0.00012304 deg M 46.11545043257072 1.9234e-05 deg tp 2458824.536039783852 (2019-Dec-07.03603978) 7.2995e-05 TDB period 1373.661648831522 3.76 1.0688e-05 2.926e-08 d yr n .2620732698668751 2.0391e-09 deg/d Q 2.771700111708818 1.4377e-08 au   Orbit Determination Parameters    # obs. used (total)      997      data-arc span      9847 days (26.96 yr)      first obs. used      1993-08-15      last obs. used      2020-07-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57018      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 00:58:50   Additional Information  Earth MOID = 1.05582 au   Jupiter MOID = 2.57706 au   T_jup = 3.500  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.2   n/a MPO395152   diameter diameter 3.195 km 0.554 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.208   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15325 (1993 QN7)          Discovered 1993-Aug-20 by Elst, E. W. at La Silla Reference: 20000621/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1993 QN7 = 1996 HJ12 = 1996 KT5  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-18 12:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin