Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 4 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 04/08/2018   06:34:14   (   0.06,-135.06) (  -0.60,-137.98)  332.72                80
 04/09/2018   06:16:13   (   0.05,-135.09) (   0.53,-132.99)  239.98                80
 04/10/2018   18:32:23   (  -0.06,-135.13) (   0.48,-137.55)  275.68                80
 04/11/2018   18:14:22   (  -0.06,-135.16) (  -0.65,-132.56)  296.69                80
 04/13/2018   06:30:40   (   0.06,-135.21) (  -0.38,-137.16)  222.50                80
 04/14/2018   06:12:40   (   0.06,-135.24) (   0.76,-132.17)  349.64                80
 04/15/2018   18:28:49   (  -0.07,-135.27) (   0.26,-136.73)  166.96                80
 04/16/2018   18:10:49   (  -0.06,-135.29) (  -0.88,-131.74)  404.62                80
 04/18/2018   06:27:07   (   0.07,-135.32) (  -0.15,-136.34)  116.04                80
 04/19/2018   06:09:06   (   0.07,-135.34) (   0.93,-131.34)  454.98                80
 04/20/2018   18:25:16   (  -0.08,-135.36) (   0.03,-135.92)   63.42                80