Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2016 6 28.  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)
 06/29/2016   06:50:21   (   0.10,-135.53) (  -0.88,-139.84)  491.88                80
 06/30/2016   06:27:02   (   0.12,-135.53) (   0.24,-134.85)   77.23                80
 07/01/2016   18:48:33   (  -0.09,-135.53) (   0.76,-139.41)  441.53                80
 07/02/2016   18:25:14   (  -0.11,-135.53) (  -0.37,-134.42)  127.14                80
 07/04/2016   06:46:54   (   0.09,-135.53) (  -0.67,-139.01)  396.87                80
 07/05/2016   06:23:35   (   0.11,-135.52) (   0.45,-134.02)  171.42                80
 07/06/2016   18:45:05   (  -0.09,-135.52) (   0.60,-138.57)  348.14                80
 07/07/2016   18:21:45   (  -0.11,-135.51) (  -0.52,-133.58)  220.11                80
 07/09/2016   06:43:26   (   0.09,-135.50) (  -0.52,-138.17)  304.27                80
 07/10/2016   06:20:06   (   0.11,-135.50) (   0.60,-133.18)  263.72                80
 07/11/2016   18:41:37   (  -0.09,-135.48) (   0.39,-137.74)  256.45                80