Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 5 24.  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)
 05/25/2018   06:22:34   (   0.17,-135.16) (   0.63,-133.11)  233.85                80
 05/26/2018   18:41:24   (  -0.16,-135.15) (   0.41,-137.67)  287.29                80
 05/27/2018   18:18:04   (  -0.17,-135.12) (  -0.73,-132.68)  278.54                80
 05/29/2018   06:39:43   (   0.17,-135.04) (  -0.34,-137.27)  253.58                80
 05/30/2018   06:16:23   (   0.17,-135.01) (   0.81,-132.28)  311.97                80
 05/31/2018   18:37:54   (  -0.17,-134.99) (   0.24,-136.83)  210.21                80
 06/01/2018   18:14:33   (  -0.18,-134.95) (  -0.86,-131.84)  354.80                80
 06/03/2018   06:36:12   (   0.17,-134.86) (  -0.15,-136.43)  178.41                80
 06/04/2018   06:12:52   (   0.18,-134.82) (   0.95,-131.44)  386.43                80
 06/05/2018   18:34:22   (  -0.18,-134.79) (   0.10,-135.99)  136.55                80
 06/06/2018   18:11:02   (  -0.19,-134.75) (  -1.00,-130.99)  427.91                80