+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2015 GK) Classification: Apollo [NEO]          SPK-ID: 3715466 [ 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 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .525248989804013 2.2045e-07   a 1.83719165608963 3.0927e-09 au q .8722085946521904 4.0404e-07 au i 1.066165690318429 1.3476e-05 deg node 43.55472864578945 0.00036238 deg peri 210.814115616027 0.00034684 deg M 4.874512988912681 1.5992e-05 deg tp 2458988.184306997122 (2020-May-18.68430700) 4.0385e-05 TDB period 909.5574247356519 2.49 2.2967e-06 6.288e-09 d yr n .3957968900145344 9.9943e-10 deg/d Q 2.80217471752707 4.7172e-09 au   Orbit Determination Parameters    # obs. used (total)      56      data-arc span      1824 days (4.99 yr)      first obs. used      2015-04-09      last obs. used      2020-04-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56755      source      ORB      producer      Otto Matic      solution date      2020-Apr-06 05:50:01   Additional Information  Earth MOID = .00657549 au   Jupiter MOID = 2.26731 au   T_jup = 3.843  [ 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 25.8   n/a MPO336998   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-19 19:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin