Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 5 22.  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)
 05/24/2018   18:20:55   (  -0.17,-135.21) (  -0.21,-135.12)   10.21                80
 05/27/2018   06:21:50   (   0.17,-135.11) (   0.26,-134.72)   45.01                80
 05/28/2018   18:40:40   (  -0.16,-135.09) (   0.76,-139.28)  477.08                80
 05/29/2018   18:17:18   (  -0.17,-135.06) (  -0.33,-134.28)   88.54                80
 05/31/2018   06:38:56   (   0.17,-134.98) (  -0.70,-138.88)  443.67                80
 06/01/2018   06:16:14   (   0.18,-134.95) (   0.39,-133.88)  121.67                40
 06/02/2018   18:37:03   (  -0.17,-134.92) (   0.64,-138.44)  401.46                80
 06/03/2018   18:13:43   (  -0.18,-134.88) (  -0.51,-133.45)  163.42                80
 06/05/2018   06:35:20   (   0.18,-134.80) (  -0.52,-138.05)  369.80                80