Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 5 26.  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)
 05/27/2018   18:18:05   (  -0.17,-135.12) (  -0.74,-132.68)  278.62                80
 05/29/2018   06:39:43   (   0.17,-135.04) (  -0.34,-137.27)  254.21                80
 05/30/2018   06:16:50   (   0.17,-135.00) (   0.81,-132.28)  311.18                53
 05/31/2018   18:37:54   (  -0.17,-134.98) (   0.24,-136.83)  210.72                80
 06/01/2018   18:14:33   (  -0.18,-134.95) (  -0.85,-131.83)  354.15                80
 06/03/2018   06:36:12   (   0.17,-134.85) (  -0.16,-136.43)  179.79                80
 06/04/2018   06:12:52   (   0.18,-134.81) (   0.93,-131.43)  384.87                80
 06/05/2018   18:34:23   (  -0.18,-134.78) (   0.07,-136.00)  137.88                80
 06/06/2018   18:11:03   (  -0.19,-134.74) (  -1.02,-131.00)  426.43                80
 06/08/2018   06:32:41   (   0.18,-134.64) (  -0.04,-135.59)  108.29                80
 06/09/2018   06:09:21   (   0.19,-134.59) (   1.05,-130.59)  455.74                80