+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2011 OJ45) Classification: Apollo [NEO]          SPK-ID: 3575154 [ 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 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2036079100587169 0.00029719   a 1.01708305805678 1.896e-05 au q .8099969022497104 0.00028717 au i .7491018678626619 0.0016493 deg node 288.930763614855 0.024684 deg peri 135.5042944448041 0.054841 deg M 128.7652931009337 0.28113 deg tp 2458866.492416108742 (2020-Jan-17.99241611) 0.28883 TDB period 374.6563149049598 1.03 0.010476 2.868e-05 d yr n .9608806409450813 2.6868e-05 deg/d Q 1.22416921386385 2.282e-05 au   Orbit Determination Parameters    # obs. used (total)      21      data-arc span      17 days      first obs. used      2011-07-28      last obs. used      2011-08-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      6      norm. resid. RMS      .38096      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:53:04   Additional Information  Earth MOID = .00758709 au   Jupiter MOID = 4.00208 au   T_jup = 5.982  [ 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 26.0   n/a MPO205911   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-17 23:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin