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,-128.45) (   0.39,-130.66)  252.69                80
 05/21/2019   17:53:03   (  -0.13,-128.45) (  -0.77,-125.67)  316.95                80
 05/23/2019   06:12:03   (   0.13,-128.41) (  -0.30,-130.26)  211.09                80
 05/24/2019   05:48:45   (   0.14,-128.42) (   0.86,-125.28)  358.18                80
 05/25/2019   18:10:16   (  -0.14,-128.47) (   0.19,-129.83)  156.13                80
 05/26/2019   17:49:38   (  -0.14,-128.47) (  -0.97,-124.85)  413.18                80
 05/28/2019   06:08:38   (   0.14,-128.43) (  -0.09,-129.44)  115.05                80
 05/29/2019   05:45:20   (   0.15,-128.43) (   1.07,-124.45)  453.88                80
 05/30/2019   18:06:51   (  -0.14,-128.47) (  -0.02,-129.01)   61.17                80
 06/02/2019   06:05:13   (   0.14,-128.42) (   0.12,-128.61)   21.54                80