+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2012 XE133) Classification: Aten [NEO]          SPK-ID: 3620867 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4330289979573921 0.00022783   a .7229101507410784 9.2136e-05 au q .409869092552442 0.00021694 au i 6.709857872522148 0.0053012 deg node 281.0756002017299 0.0036749 deg peri 337.1148505696793 0.0045178 deg M 239.5696837961348 0.84531 deg tp 2459075.603164603690 (2020-Aug-14.10316460) 0.54151 TDB period 224.5044280342143 0.61 0.04292 0.0001175 d yr n 1.60353184635243 0.00030656 deg/d Q 1.035951208929715 0.00013203 au   Orbit Determination Parameters    # obs. used (total)      102      data-arc span      28 days      first obs. used      2012-12-12      last obs. used      2013-01-09      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .47925      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:47:37   Additional Information  Earth MOID = .00235768 au   Jupiter MOID = 4.02254 au   T_jup = 7.865  [ 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 23.4   n/a MPO252145   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2020-Sep-28 00:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin