+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2012 KX) Classification: Amor [NEO]          SPK-ID: 3604235 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5686168795665042 0.00014251   a 2.450462909881681 0.00083141 au q 1.057088336571304 9.4402e-06 au i 3.230126511931362 0.00060993 deg node 102.3929399175721 0.00068413 deg peri 136.1547336362159 0.0002695 deg M 33.53753228747751 0.38108 deg tp 2458869.973338530199 (2020-Jan-21.47333853) 1.4167 TDB period 1401.104819708927 3.84 0.71306 0.001952 d yr n .2569400910881089 0.00013076 deg/d Q 3.843837483192057 0.0013042 au   Orbit Determination Parameters    # obs. used (total)      175      data-arc span      42 days      first obs. used      2012-05-16      last obs. used      2012-06-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      6      norm. resid. RMS      .3579      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:49:48   Additional Information  Earth MOID = .0583697 au   Jupiter MOID = 1.18293 au   T_jup = 3.251  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 23.5   n/a MPO234434   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-22 19:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin