Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 5 20.  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)
 05/20/2019   18:11:02   (  -0.13,-128.44) (   0.35,-130.67)  252.80                80
 05/21/2019   17:53:03   (  -0.13,-128.45) (  -0.74,-125.67)  316.90                80
 05/23/2019   06:12:04   (   0.13,-128.42) (  -0.26,-130.27)  210.85                80
 05/24/2019   05:48:45   (   0.14,-128.42) (   0.83,-125.27)  358.46                80
 05/25/2019   18:07:37   (  -0.14,-128.47) (   0.15,-129.84)  155.93                80
 05/26/2019   17:49:37   (  -0.14,-128.47) (  -0.94,-124.84)  413.43                80
 05/28/2019   06:08:39   (   0.14,-128.43) (  -0.06,-129.44)  114.54                80
 05/29/2019   05:45:19   (   0.15,-128.43) (   1.04,-124.45)  454.46                80
 05/30/2019   18:04:11   (  -0.14,-128.47) (  -0.05,-129.01)   60.75                80
 06/02/2019   06:05:12   (   0.14,-128.43) (   0.10,-128.61)   20.52                80