+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2012 EO3) Classification: Aten [NEO]          SPK-ID: 3600563 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3564586909869356 0.00026132   a .7803748035552003 3.8927e-05 au q .5022034226007266 0.00022896 au i 29.53440597317097 0.07746 deg node 345.4987962747396 0.0051661 deg peri 352.2261399869228 0.0095235 deg M 98.11942195568842 0.37219 deg tp 2459131.871301154273 (2020-Oct-09.37130115) 0.25519 TDB period 251.7985847452231 0.69 0.018841 5.158e-05 d yr n 1.429714151746556 0.00010698 deg/d Q 1.058546184509674 5.2803e-05 au   Orbit Determination Parameters    # obs. used (total)      77      data-arc span      11 days      first obs. used      2012-03-03      last obs. used      2012-03-14      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      6      norm. resid. RMS      .46654      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 06:07:16   Additional Information  Earth MOID = .0595173 au   Jupiter MOID = 4.33628 au   T_jup = 7.297  [ 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 23.0   n/a MPO227527   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 21:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin