Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 3 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)
 03/18/2018   06:29:57   (  -0.00,-134.95) (   0.05,-134.71)   27.45                80
 03/19/2018   18:46:08   (  -0.00,-134.91) (   0.96,-139.27)  497.21                80
 03/20/2018   18:28:08   (   0.00,-134.87) (  -0.11,-134.27)   67.78                80
 03/22/2018   06:44:28   (   0.01,-134.79) (  -0.90,-138.87)  464.72                80
 03/23/2018   06:26:27   (   0.00,-134.74) (   0.17,-133.86)   99.65                80
 03/24/2018   18:42:39   (  -0.01,-134.69) (   0.83,-138.43)  426.75                80
 03/25/2018   18:24:39   (  -0.01,-134.64) (  -0.29,-133.44)  137.14                80
 03/27/2018   06:40:59   (   0.02,-134.55) (  -0.77,-138.03)  396.73                80
 03/28/2018   06:22:59   (   0.01,-134.50) (   0.36,-133.03)  167.02                80
 03/29/2018   18:39:09   (  -0.02,-134.43) (   0.70,-137.59)  359.94                80