Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 8 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)
 08/29/2017   06:32:11   (   0.16,-135.02) (  -0.16,-136.37)  154.63                80
 08/30/2017   06:14:10   (   0.14,-135.02) (   0.93,-131.37)  414.47                80
 08/31/2017   18:30:22   (  -0.17,-135.11) (  -0.01,-135.96)   96.24                80
 09/01/2017   18:12:22   (  -0.15,-135.10) (  -1.10,-130.96)  472.96                80
 09/03/2017   06:28:40   (   0.18,-134.99) (   0.04,-135.54)   63.31                80
 09/05/2017   18:26:51   (  -0.19,-135.06) (  -0.15,-135.11)    8.03                80
 09/08/2017   06:27:50   (   0.20,-134.93) (   0.25,-134.72)   24.46                80
 09/09/2017   18:44:01   (  -0.23,-134.99) (   0.74,-139.29)  490.11                80
 09/10/2017   18:26:01   (  -0.21,-134.97) (  -0.35,-134.29)   77.68                80