Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 3 22.  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)
 03/23/2018   06:26:28   (   0.01,-134.75) (   0.23,-133.88)  100.63                80
 03/24/2018   18:42:39   (  -0.02,-134.70) (   0.84,-138.43)  425.44                80
 03/25/2018   18:24:39   (  -0.02,-134.65) (  -0.29,-133.44)  138.72                80
 03/27/2018   06:40:59   (   0.03,-134.57) (  -0.72,-138.04)  394.64                80
 03/28/2018   06:22:59   (   0.02,-134.52) (   0.35,-133.03)  169.34                80
 03/29/2018   18:39:10   (  -0.03,-134.46) (   0.65,-137.60)  357.31                80
 03/30/2018   18:21:10   (  -0.02,-134.41) (  -0.42,-132.59)  206.63                80
 04/01/2018   06:37:30   (   0.03,-134.32) (  -0.59,-137.19)  327.11                80
 04/02/2018   06:19:30   (   0.02,-134.27) (   0.48,-132.19)  236.54                80
 04/03/2018   18:35:41   (  -0.03,-134.20) (   0.51,-136.76)  290.87                80
 04/04/2018   18:17:40   (  -0.03,-134.14) (  -0.56,-131.75)  272.43                80