+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2015 OA26) Classification: Apollo [NEO]          SPK-ID: 3724516 [ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5158459316515861 0.00044157   a 1.853226008604193 0.0015406 au q .8972469116348127 7.2434e-05 au i 1.881104952362629 0.001132 deg node 294.6183802411511 0.00042829 deg peri 312.6797318023986 0.0017808 deg M 349.224411295271 0.89046 deg tp 2459028.082238683028 (2020-Jun-27.58223868) 2.3137 TDB period 921.4908064867333 2.52 1.1491 0.003146 d yr n .3906712877283414 0.00048716 deg/d Q 2.809205105573573 0.0023354 au   Orbit Determination Parameters    # obs. used (total)      80      data-arc span      29 days      first obs. used      2015-07-23      last obs. used      2015-08-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .36606      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 08:32:41   Additional Information  Earth MOID = .000903271 au   Jupiter MOID = 2.24032 au   T_jup = 3.830  [ 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 24.2   n/a MPO349346   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-22 14:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin