+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14131 (1998 QN105) Classification: Main-belt Asteroid          SPK-ID: 2014131 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1520684945252772 4.0421e-08   a 2.31582441036563 7.2297e-09 au q 1.963660478696441 9.5086e-08 au i 4.997190934437967 4.0504e-06 deg node 42.36970646335692 5.3562e-05 deg peri 338.2045560783948 5.5598e-05 deg M 36.67922123700407 1.4818e-05 deg tp 2458869.348134172264 (2020-Jan-20.84813417) 5.2877e-05 TDB period 1287.232119594517 3.52 6.0279e-06 1.65e-08 d yr n .2796698392776287 1.3096e-09 deg/d Q 2.667988342034819 8.3291e-09 au   Orbit Determination Parameters    # obs. used (total)      1467      data-arc span      15971 days (43.73 yr)      first obs. used      1976-05-03      last obs. used      2020-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48779      source      ORB      producer      Otto Matic      solution date      2020-Feb-22 20:51:39   Additional Information  Earth MOID = .967571 au   Jupiter MOID = 2.78813 au   T_jup = 3.561  [ show covariance matrix ] [ 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 14.6   n/a MPO502276   diameter diameter 2.593 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.416   0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14131 (1998 QN105)          Discovered 1998-Aug-25 by Elst, E. W. at La Silla Reference: 20000320/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 QN105 = 1976 JV4 = 1991 RD17  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-15 06:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin