Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 4 9.  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)
 04/10/2019   06:01:27   (   0.04,-127.85) (   0.08,-127.71)   16.30                80
 04/12/2019   17:59:40   (  -0.05,-127.73) (  -0.15,-127.27)   52.75                80
 04/14/2019   06:16:01   (   0.05,-127.70) (  -0.87,-131.87)  475.44                80
 04/15/2019   05:58:02   (   0.05,-127.66) (   0.21,-126.87)   89.27                80
 04/16/2019   18:14:14   (  -0.06,-127.57) (   0.79,-131.43)  439.73                80
 04/17/2019   17:56:15   (  -0.05,-127.53) (  -0.29,-126.43)  124.94                80
 04/19/2019   06:12:36   (   0.06,-127.49) (  -0.73,-131.03)  403.56                80
 04/20/2019   05:54:37   (   0.06,-127.44) (   0.36,-126.03)  160.85                80
 04/21/2019   18:10:49   (  -0.07,-127.35) (   0.64,-130.59)  368.86                80
 04/22/2019   17:52:49   (  -0.07,-127.31) (  -0.44,-125.59)  195.22                80