Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 5 16.  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   18:25:04   (  -0.15,-135.37) (  -0.36,-134.34)  116.12                80
 05/19/2018   06:44:03   (   0.15,-135.32) (  -0.68,-138.94)  413.33                80
 05/20/2018   06:26:04   (   0.16,-135.29) (   0.47,-133.95)  153.37                80
 05/21/2018   18:44:54   (  -0.16,-135.28) (   0.57,-138.51)  368.21                80
 05/22/2018   18:21:35   (  -0.17,-135.25) (  -0.57,-133.52)  198.18                80
 05/24/2018   06:40:34   (   0.16,-135.20) (  -0.46,-138.11)  331.84                80
 05/25/2018   06:22:34   (   0.17,-135.17) (   0.63,-133.11)  234.61                80
 05/26/2018   18:41:24   (  -0.16,-135.15) (   0.42,-137.67)  287.26                80
 05/27/2018   18:18:04   (  -0.17,-135.12) (  -0.73,-132.68)  278.71                80
 05/29/2018   06:39:43   (   0.16,-135.06) (  -0.35,-137.27)  252.17                80
 05/30/2018   06:19:03   (   0.17,-135.03) (   0.80,-132.28)  313.56                80