Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 6 25.  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)
 06/25/2017   18:17:20   (  -0.15,-135.47) (  -0.80,-132.63)  324.37                80
 06/27/2017   06:39:00   (   0.13,-135.43) (  -0.26,-137.22)  203.48                80
 06/28/2017   06:15:40   (   0.15,-135.44) (   0.87,-132.23)  365.47                80
 06/29/2017   18:37:11   (  -0.13,-135.48) (   0.17,-136.79)  148.96                80
 06/30/2017   18:13:51   (  -0.15,-135.48) (  -0.97,-131.80)  419.70                80
 07/02/2017   06:35:30   (   0.13,-135.44) (  -0.09,-136.39)  108.65                80
 07/03/2017   06:12:11   (   0.14,-135.43) (   1.05,-131.40)  459.89                80
 07/04/2017   18:33:41   (  -0.12,-135.47) (  -0.01,-135.96)   55.10                80
 07/07/2017   06:32:01   (   0.12,-135.41) (   0.09,-135.56)   16.70                80