Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 4 24.  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)
 04/25/2019   05:48:34   (   0.07,-127.88) (   0.67,-125.23)  302.93                80
 04/26/2019   18:07:26   (  -0.08,-127.96) (   0.32,-129.79)  208.14                80
 04/27/2019   17:49:27   (  -0.08,-128.00) (  -0.77,-124.79)  364.22                80
 04/29/2019   06:08:29   (   0.09,-128.01) (  -0.20,-129.40)  158.60                80
 04/30/2019   05:45:10   (   0.09,-128.04) (   0.89,-124.40)  413.54                80
 05/01/2019   18:04:02   (  -0.09,-128.11) (   0.10,-128.97)   98.04                80
 05/02/2019   17:46:04   (  -0.09,-128.14) (  -1.05,-123.98)  473.94                80
 05/04/2019   06:05:05   (   0.09,-128.14) (   0.02,-128.58)   49.56                80
 05/06/2019   18:03:18   (  -0.10,-128.23) (  -0.12,-128.15)    9.00                80