Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 5 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 05/23/2019   06:12:04   (   0.13,-128.41) (  -0.27,-130.27)  211.16                80
 05/24/2019   05:48:45   (   0.14,-128.42) (   0.83,-125.27)  358.06                80
 05/25/2019   18:07:37   (  -0.14,-128.47) (   0.16,-129.84)  156.17                80
 05/26/2019   17:49:37   (  -0.14,-128.47) (  -0.94,-124.84)  413.07                80
 05/28/2019   06:08:39   (   0.14,-128.43) (  -0.06,-129.44)  115.39                80
 05/29/2019   05:45:19   (   0.15,-128.42) (   1.04,-124.45)  453.51                80
 05/30/2019   18:04:11   (  -0.14,-128.47) (  -0.05,-129.01)   61.53                80
 06/02/2019   06:05:12   (   0.14,-128.41) (   0.10,-128.61)   21.92                80
 06/04/2019   18:00:45   (  -0.15,-128.43) (  -0.20,-128.17)   29.36                80