Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 5 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 05/24/2018   06:40:34   (   0.16,-135.19) (  -0.49,-138.11)  332.31                80
 05/25/2018   06:22:33   (   0.17,-135.17) (   0.60,-133.11)  234.02                80
 05/26/2018   18:41:24   (  -0.16,-135.15) (   0.39,-137.67)  287.30                80
 05/27/2018   18:18:04   (  -0.17,-135.12) (  -0.70,-132.67)  278.57                80
 05/29/2018   06:39:43   (   0.17,-135.05) (  -0.33,-137.27)  253.28                80
 05/30/2018   06:19:03   (   0.17,-135.01) (   0.76,-132.27)  312.29                80
 05/31/2018   18:37:54   (  -0.17,-134.99) (   0.23,-136.84)  210.07                80
 06/01/2018   18:14:34   (  -0.18,-134.96) (  -0.86,-131.84)  354.97                80
 06/03/2018   06:36:13   (   0.17,-134.87) (  -0.15,-136.44)  177.99                80
 06/04/2018   06:12:52   (   0.18,-134.83) (   0.94,-131.44)  386.85                80
 06/05/2018   18:34:24   (  -0.18,-134.80) (   0.06,-136.00)  136.36                80
 06/06/2018   18:11:03   (  -0.19,-134.76) (  -1.03,-131.00)  428.12                80