Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 4 6.  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) (  -0.58,-137.98)  332.66                80
 04/09/2018   06:16:13   (   0.05,-135.09) (   0.50,-132.98)  240.09                80
 04/10/2018   18:32:23   (  -0.06,-135.13) (   0.46,-137.56)  275.52                80
 04/11/2018   18:14:21   (  -0.06,-135.16) (  -0.62,-132.55)  296.91                80
 04/13/2018   06:30:41   (   0.07,-135.21) (  -0.35,-137.17)  222.19                80
 04/14/2018   06:12:39   (   0.06,-135.24) (   0.72,-132.16)  350.01                80
 04/15/2018   18:28:50   (  -0.07,-135.27) (   0.23,-136.74)  166.56                80
 04/16/2018   18:10:48   (  -0.06,-135.29) (  -0.84,-131.74)  405.09                80
 04/18/2018   06:27:06   (   0.07,-135.33) (  -0.18,-136.34)  115.49                80
 04/19/2018   06:09:06   (   0.07,-135.35) (   0.96,-131.35)  455.62                80
 04/20/2018   18:25:15   (  -0.08,-135.36) (   0.07,-135.91)   62.80                80