+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   16739 (1996 KX2) Classification: Main-belt Asteroid          SPK-ID: 2016739 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1300185190230611 2.0448e-08   a 2.651456778094323 1.0343e-08 au q 2.306718294552842 5.3469e-08 au i 12.02086812606981 7.4647e-07 deg node 171.6167067287596 2.2753e-06 deg peri 179.7493651736368 5.3279e-06 deg M 162.1059136693773 5.5306e-06 deg tp 2458490.396566732676 (2019-Jan-06.89656673) 2.1643e-05 TDB period 1576.976620961658 4.32 9.2278e-06 2.526e-08 d yr n .2282849315676399 1.3358e-09 deg/d Q 2.996195261635804 1.1688e-08 au   Orbit Determination Parameters    # obs. used (total)      2226      data-arc span      11895 days (32.57 yr)      first obs. used      1988-08-20      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48547      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 01:40:27   Additional Information  Earth MOID = 1.29931 au   Jupiter MOID = 2.44316 au   T_jup = 3.347  [ 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 13.41   n/a E2021B10   diameter diameter 6.074 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.230   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   16739 (1996 KX2)          Discovered 1996-May-24 by Beijing Schmidt CCD Asteroid Program at Xinglong Reference: 20000913/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1996 KX2 = 1988 QM1 = 1988 SM3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-16 09:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin