Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 5 18.  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)
 05/19/2019   05:52:10   (   0.12,-128.39) (   0.66,-126.11)  260.92                80
 05/20/2019   18:11:02   (  -0.13,-128.44) (   0.38,-130.66)  252.85                80
 05/21/2019   17:53:03   (  -0.13,-128.45) (  -0.77,-125.67)  316.93                80
 05/23/2019   06:12:03   (   0.13,-128.42) (  -0.30,-130.26)  210.48                80
 05/24/2019   05:48:45   (   0.14,-128.42) (   0.86,-125.28)  358.90                80
 05/25/2019   18:10:16   (  -0.14,-128.47) (   0.19,-129.83)  155.65                80
 05/26/2019   17:49:38   (  -0.14,-128.48) (  -0.97,-124.85)  413.79                80
 05/28/2019   06:08:38   (   0.14,-128.44) (  -0.09,-129.44)  113.79                80
 05/29/2019   05:45:20   (   0.15,-128.44) (   1.07,-124.45)  455.25                80
 05/30/2019   18:06:51   (  -0.14,-128.48) (  -0.02,-129.01)   60.06                80