+ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1520685015389583 3.9769e-08   a 2.315824409445197 7.1708e-09 au q 1.963660461673523 9.3459e-08 au i 4.997190963186345 4.005e-06 deg node 42.36970631756117 5.3324e-05 deg peri 338.2045563102442 5.5367e-05 deg M 36.6792219600261 1.481e-05 deg tp 2458869.348131665184 (2020-Jan-20.84813167) 5.2851e-05 TDB period 1287.232118827095 3.52 5.9788e-06 1.637e-08 d yr n .2796698394443624 1.299e-09 deg/d Q 2.667988357216871 8.2613e-09 au   Orbit Determination Parameters    # obs. used (total)      1540      data-arc span      16266 days (44.53 yr)      first obs. used      1976-05-03      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48339      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 20:23:38   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 ] 2021-Jan-17 11:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin