+ 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 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4329816770990486 1.3439e-07   a .7229293241274655 6.0229e-10 au q .4099141729426738 9.7328e-08 au i 6.708785215528935 1.3474e-05 deg node 281.0762797595048 1.6716e-05 deg peri 337.1139425944776 2.0159e-05 deg M 239.3939907577623 4.5944e-05 deg tp 2459075.715723160227 (2020-Aug-14.21572316) 2.8697e-05 TDB period 224.5133597223667 0.61 2.8057e-07 7.682e-10 d yr n 1.603468053950892 2.0038e-09 deg/d Q 1.035944475312257 8.6307e-10 au   Orbit Determination Parameters    # obs. used (total)      181      data-arc span      2945 days (8.06 yr)      first obs. used      2012-12-12      last obs. used      2021-01-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50444      source      ORB      producer      Otto Matic      solution date      2021-Jan-04 05:21:34   Additional Information  Earth MOID = .00235766 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 ] 2021-Jan-19 07:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin