+ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1461074661285383 3.6194e-08   a 2.418359703369796 1.2449e-08 au q 2.065019294923072 8.8536e-08 au i 1.753982376718427 5.574e-06 deg node 44.18713298290425 0.00012119 deg peri 290.1964900923173 0.0001226 deg M 46.11545038570114 1.9229e-05 deg tp 2458824.536039963586 (2019-Dec-07.03603996) 7.2974e-05 TDB period 1373.661648824549 3.76 1.0607e-05 2.904e-08 d yr n .2620732698682053 2.0236e-09 deg/d Q 2.771700111816521 1.4268e-08 au   Orbit Determination Parameters    # obs. used (total)      1009      data-arc span      9929 days (27.18 yr)      first obs. used      1993-08-15      last obs. used      2020-10-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5672      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:34:23   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 ] 2021-Jan-26 02:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin