Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2017 8 30.  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)
 08/31/2017   18:30:22   (  -0.17,-135.11) (   0.02,-135.95)   96.12                80
 09/01/2017   18:12:21   (  -0.15,-135.10) (  -1.07,-130.95)  473.00                80
 09/03/2017   06:28:41   (   0.18,-134.99) (   0.07,-135.55)   63.46                80
 09/05/2017   18:26:52   (  -0.19,-135.06) (  -0.18,-135.12)    7.46                80
 09/08/2017   06:25:09   (   0.20,-134.93) (   0.22,-134.71)   24.41                80
 09/09/2017   18:44:02   (  -0.23,-134.99) (   0.70,-139.29)  490.21                80
 09/10/2017   18:26:01   (  -0.21,-134.97) (  -0.39,-134.29)   77.64                80
 09/12/2017   06:42:20   (   0.23,-134.86) (  -0.66,-138.88)  458.83                80