Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 5 17.  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)
 05/17/2018   18:25:05   (  -0.15,-135.37) (  -0.40,-134.35)  116.17                80
 05/19/2018   06:44:04   (   0.15,-135.32) (  -0.64,-138.95)  413.30                80
 05/20/2018   06:26:04   (   0.16,-135.29) (   0.45,-133.95)  153.39                80
 05/21/2018   18:44:55   (  -0.16,-135.28) (   0.53,-138.52)  368.19                80
 05/22/2018   18:21:34   (  -0.17,-135.25) (  -0.55,-133.52)  198.20                80
 05/24/2018   06:40:34   (   0.16,-135.20) (  -0.48,-138.11)  331.81                80
 05/25/2018   06:22:33   (   0.17,-135.17) (   0.61,-133.11)  234.64                80
 05/26/2018   18:41:25   (  -0.16,-135.15) (   0.38,-137.68)  287.23                80
 05/27/2018   18:18:04   (  -0.17,-135.12) (  -0.71,-132.68)  278.74                80
 05/29/2018   06:39:43   (   0.16,-135.06) (  -0.31,-137.27)  252.15                80
 05/30/2018   06:19:03   (   0.17,-135.03) (   0.78,-132.27)  313.57                80