Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 9 3.  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)
 09/05/2018   06:26:09   (   0.19,-134.99) (  -0.32,-137.23)  254.39                80
 09/06/2018   06:08:08   (   0.16,-135.03) (   0.80,-132.23)  319.36                80
 09/07/2018   18:24:17   (  -0.20,-135.17) (   0.17,-136.80)  185.93                80
 09/08/2018   18:06:16   (  -0.18,-135.21) (  -0.94,-131.81)  387.90                80
 09/10/2018   06:22:33   (   0.21,-135.18) (  -0.06,-136.41)  140.01                80
 09/11/2018   06:04:31   (   0.19,-135.21) (   1.06,-131.41)  433.33                80
 09/12/2018   18:20:41   (  -0.22,-135.35) (  -0.08,-135.99)   72.75                80
 09/15/2018   06:18:55   (   0.23,-135.35) (   0.15,-135.58)   27.54                80
 09/17/2018   18:19:43   (  -0.24,-135.49) (  -0.29,-135.16)   37.85                80