Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 5 22.  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)
 05/24/2018   01:13:56   (   0.06,-135.22) (  -0.75,-138.70)  397.46                80
 05/25/2018   01:02:23   (   0.06,-135.19) (  -0.13,-135.87)   78.62                80
 05/26/2018   00:53:30   (   0.06,-135.17) (   0.55,-133.06)  240.18                80
 05/28/2018   13:12:04   (  -0.08,-135.08) (   0.61,-138.10)  344.40                80
 05/29/2018   13:00:32   (  -0.08,-135.05) (  -0.05,-135.29)   26.49                80
 05/30/2018   12:51:38   (  -0.08,-135.02) (  -0.66,-132.46)  291.55                80
 06/02/2018   01:10:24   (   0.11,-134.94) (  -0.51,-137.55)  298.27                80
 06/03/2018   01:01:31   (   0.11,-134.90) (   0.12,-134.73)   19.66                80
 06/04/2018   00:49:58   (   0.10,-134.86) (   0.81,-131.92)  337.09                80