+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   305996 (2009 KB14) Classification: Main-belt Asteroid          SPK-ID: 2305996 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1202362607932824 7.7828e-08   a 3.12661953120823 4.5804e-08 au q 2.750686489852507 2.5814e-07 au i 10.22589427715654 8.8905e-06 deg node 64.88256487980856 3.643e-05 deg peri 290.9623216742197 4.9403e-05 deg M 247.4217652839893 3.6971e-05 deg tp 2459631.984820087454 (2022-Feb-21.48482009) 0.00021228 TDB period 2019.347130508453 5.53 4.4374e-05 1.215e-07 d yr n .1782754408893311 3.9175e-09 deg/d Q 3.502552572563952 5.1312e-08 au   Orbit Determination Parameters    # obs. used (total)      207      data-arc span      6228 days (17.05 yr)      first obs. used      2003-04-09      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61717      source      ORB      producer      Otto Matic      solution date      2020-May-21 20:02:16   Additional Information  Earth MOID = 1.76841 au   Jupiter MOID = 2.04539 au   T_jup = 3.179  [ 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 15.5   n/a MPO254615   305996 (2009 KB14)          Discovered 2009-May-26 by Spacewatch at Kitt Peak Reference: 20111110/Numbers.arc Last Updated: 2011-11-14 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-08 19:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin