Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 5 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 05/12/2018   12:58:37   (  -0.01,-135.43) (  -0.19,-134.74)   79.13                80
 05/13/2018   12:47:03   (  -0.00,-135.41) (  -0.79,-131.91)  399.16                80
 05/16/2018   01:05:54   (   0.03,-135.39) (  -0.34,-137.03)  185.97                80
 05/17/2018   00:57:01   (   0.03,-135.38) (   0.27,-134.20)  133.43                80
 05/18/2018   00:45:28   (   0.03,-135.35) (   0.94,-131.39)  452.61                80
 05/19/2018   13:15:33   (  -0.05,-135.30) (   0.86,-139.24)  449.63                80
 05/20/2018   13:04:01   (  -0.05,-135.27) (   0.20,-136.43)  130.92                80
 05/21/2018   12:55:07   (  -0.04,-135.25) (  -0.40,-133.60)  187.77                80
 05/24/2018   01:13:56   (   0.06,-135.20) (  -0.74,-138.70)  399.90                80
 05/25/2018   01:02:23   (   0.06,-135.17) (  -0.12,-135.88)   81.19                80