Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 3 13.  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)
 03/14/2018   12:33:38   (   0.06,-135.08) (  -0.83,-131.24)  439.13                80
 03/16/2018   01:06:33   (  -0.06,-135.03) (  -0.99,-139.12)  466.59                80
 03/17/2018   00:55:00   (  -0.06,-135.00) (  -0.39,-136.30)  149.41                80
 03/18/2018   00:46:09   (  -0.06,-134.97) (   0.26,-133.49)  167.68                80
 03/19/2018   00:34:37   (  -0.06,-134.93) (   0.92,-130.69)  484.56                80
 03/20/2018   13:04:51   (   0.06,-134.87) (   0.95,-138.56)  421.95                80
 03/21/2018   12:53:19   (   0.06,-134.83) (   0.27,-135.75)  105.48                80
 03/22/2018   12:44:27   (   0.07,-134.78) (  -0.35,-132.93)  210.78                80
 03/25/2018   01:03:12   (  -0.07,-134.66) (  -0.84,-138.02)  382.46                80
 03/26/2018   00:51:39   (  -0.07,-134.62) (  -0.23,-135.20)   66.93                80
 03/27/2018   00:42:48   (  -0.07,-134.56) (   0.44,-132.39)  248.60                80