Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 5 19.  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)
 05/20/2018   13:04:01   (  -0.05,-135.29) (   0.22,-136.42)  128.96                80
 05/21/2018   12:55:08   (  -0.04,-135.27) (  -0.44,-133.61)  189.99                80
 05/24/2018   01:13:56   (   0.06,-135.22) (  -0.77,-138.69)  397.12                80
 05/25/2018   01:02:24   (   0.06,-135.20) (  -0.09,-135.88)   78.13                80
 05/26/2018   00:53:30   (   0.06,-135.17) (   0.54,-133.06)  240.71                80
 05/28/2018   13:12:04   (  -0.08,-135.09) (   0.63,-138.10)  343.94                80
 05/29/2018   13:00:31   (  -0.08,-135.06) (  -0.03,-135.28)   25.78                80
 05/30/2018   12:51:39   (  -0.08,-135.03) (  -0.70,-132.47)  292.24                80
 06/02/2018   01:10:25   (   0.11,-134.95) (  -0.47,-137.56)  296.99                80