Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 3 26.  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)
 03/27/2018   06:40:59   (   0.03,-134.56) (  -0.72,-138.03)  394.97                80
 03/28/2018   06:22:59   (   0.03,-134.52) (   0.34,-133.03)  169.01                80
 03/29/2018   18:39:10   (  -0.03,-134.46) (   0.65,-137.60)  357.04                80
 03/30/2018   18:21:10   (  -0.03,-134.41) (  -0.42,-132.59)  206.92                80
 04/01/2018   06:37:30   (   0.03,-134.32) (  -0.60,-137.19)  327.38                80
 04/02/2018   06:19:30   (   0.03,-134.27) (   0.47,-132.19)  236.26                80
 04/03/2018   18:35:41   (  -0.04,-134.20) (   0.52,-136.76)  290.56                80
 04/04/2018   18:17:40   (  -0.03,-134.15) (  -0.55,-131.75)  272.75                80
 04/06/2018   06:34:01   (   0.04,-134.05) (  -0.46,-136.35)  262.67                80
 04/07/2018   06:16:00   (   0.04,-133.99) (   0.61,-131.35)  300.20                80
 04/08/2018   18:32:11   (  -0.05,-133.91) (   0.38,-135.92)  227.82                80
 04/09/2018   18:14:11   (  -0.05,-133.85) (  -0.69,-130.91)  334.81                80