Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 4 3.  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)
 04/05/2019   06:02:12   (   0.02,-128.00) (  -0.11,-128.54)   61.39                80
 04/07/2019   18:00:25   (  -0.03,-127.91) (   0.04,-128.10)   22.70                80
 04/10/2019   06:01:27   (   0.04,-127.84) (   0.08,-127.71)   15.25                80
 04/12/2019   17:59:40   (  -0.05,-127.72) (  -0.15,-127.27)   51.32                80
 04/14/2019   06:16:01   (   0.05,-127.68) (  -0.87,-131.87)  477.36                80
 04/15/2019   05:58:02   (   0.05,-127.64) (   0.22,-126.87)   87.14                80
 04/16/2019   18:14:14   (  -0.06,-127.55) (   0.79,-131.43)  441.98                80
 04/17/2019   17:56:15   (  -0.05,-127.51) (  -0.29,-126.43)  122.48                80