Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 3 18.  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)
 03/19/2018   18:46:08   (  -0.01,-134.91) (   0.97,-139.27)  497.00                80
 03/20/2018   18:28:08   (  -0.00,-134.87) (  -0.16,-134.28)   68.09                80
 03/22/2018   06:44:28   (   0.01,-134.80) (  -0.90,-138.87)  464.14                80
 03/23/2018   06:26:28   (   0.01,-134.75) (   0.22,-133.88)  100.32                80
 03/24/2018   18:42:39   (  -0.02,-134.69) (   0.84,-138.43)  425.99                80
 03/25/2018   18:24:39   (  -0.01,-134.65) (  -0.28,-133.44)  138.01                80
 03/27/2018   06:40:58   (   0.02,-134.56) (  -0.78,-138.02)  395.59                80
 03/28/2018   06:22:59   (   0.02,-134.51) (   0.35,-133.03)  168.26                80
 03/29/2018   18:39:10   (  -0.02,-134.44) (   0.65,-137.60)  358.61                80
 03/30/2018   18:21:10   (  -0.02,-134.39) (  -0.42,-132.59)  205.17                80
 04/01/2018   06:37:29   (   0.02,-134.30) (  -0.65,-137.18)  328.83                80