+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2008 EA8) Classification: Aten [NEO]          SPK-ID: 3405148 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2454535.5 (2008-Mar-10.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6735632464546422 0.004685   a .9583407339477522 0.001629 au q .3128376379801797 0.0039585 au i 1.792697118894426 0.0183 deg node 225.475549214714 0.40902 deg peri 145.7097650692843 0.31515 deg M 98.17986157616041 0.54489 deg tp 2454442.045920601964 (2007-Dec-07.54592060) 0.28038 TDB period 342.6717866901344 0.94 0.87371 0.002392 d yr n 1.050567960313391 0.0026786 deg/d Q 1.603843829915325 0.0027262 au   Orbit Determination Parameters    # obs. used (total)      40      data-arc span      7 days      first obs. used      2008-03-06      last obs. used      2008-03-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      8      norm. resid. RMS      .73348      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 09:04:06   Additional Information  Earth MOID = .0054831 au   Jupiter MOID = 3.85945 au   T_jup = 6.064  [ 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 22.2   n/a MPO136047   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Feb-25 15:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin