Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 6 26.  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)
 06/27/2017   06:38:59   (   0.13,-135.43) (  -0.29,-137.22)  203.53                80
 06/28/2017   06:15:40   (   0.15,-135.44) (   0.85,-132.23)  365.37                80
 06/29/2017   18:37:11   (  -0.13,-135.48) (   0.13,-136.79)  149.18                80
 06/30/2017   18:13:51   (  -0.15,-135.48) (  -0.94,-131.79)  419.47                80
 07/02/2017   06:35:31   (   0.13,-135.43) (  -0.06,-136.40)  109.01                80
 07/03/2017   06:12:11   (   0.14,-135.43) (   1.02,-131.39)  459.51                80
 07/04/2017   18:33:41   (  -0.12,-135.47) (   0.01,-135.95)   55.68                80
 07/07/2017   06:32:01   (   0.12,-135.40) (   0.06,-135.55)   17.46                80
 07/09/2017   18:27:31   (  -0.12,-135.42) (  -0.17,-135.12)   34.06                80