Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 3 21.  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)
 03/22/2018   06:44:28   (   0.01,-134.80) (  -0.87,-138.87)  463.93                80
 03/23/2018   06:26:28   (   0.01,-134.75) (   0.20,-133.87)  100.59                80
 03/24/2018   18:42:39   (  -0.02,-134.70) (   0.81,-138.43)  425.58                80
 03/25/2018   18:24:39   (  -0.02,-134.65) (  -0.26,-133.43)  138.54                80
 03/27/2018   06:40:59   (   0.02,-134.56) (  -0.75,-138.03)  394.94                80
 03/28/2018   06:22:58   (   0.02,-134.52) (   0.32,-133.03)  169.00                80
 03/29/2018   18:39:10   (  -0.02,-134.45) (   0.67,-137.59)  357.76                80
 03/30/2018   18:21:09   (  -0.02,-134.40) (  -0.40,-132.59)  206.13                80
 04/01/2018   06:37:30   (   0.02,-134.31) (  -0.61,-137.19)  327.73                80
 04/02/2018   06:19:29   (   0.02,-134.26) (   0.46,-132.19)  235.88                80
 04/03/2018   18:35:40   (  -0.03,-134.19) (   0.53,-136.75)  291.60                80