Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 4 18.  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)
 04/18/2016   06:39:57   (   0.04,-135.38) (  -0.37,-137.30)  218.28                80
 04/19/2016   06:16:37   (   0.04,-135.38) (   0.72,-132.30)  350.91                80
 04/20/2016   18:35:30   (  -0.04,-135.41) (   0.26,-136.87)  166.14                80
 04/21/2016   18:17:31   (  -0.04,-135.41) (  -0.83,-131.88)  402.90                80
 04/23/2016   06:36:31   (   0.05,-135.38) (  -0.21,-136.47)  124.51                80
 04/24/2016   06:13:13   (   0.04,-135.37) (   0.93,-131.48)  443.85                80
 04/25/2016   18:32:05   (  -0.05,-135.39) (   0.10,-136.04)   74.82                80
 04/26/2016   18:14:07   (  -0.05,-135.38) (  -1.04,-131.06)  493.23                80
 04/28/2016   06:33:07   (   0.06,-135.34) (   0.01,-135.65)   35.39                80
 04/30/2016   18:31:20   (  -0.07,-135.32) (  -0.07,-135.21)   12.29                80