Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 3 23.  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)
 03/24/2018   18:42:39   (  -0.02,-134.70) (   0.81,-138.43)  425.38                80
 03/25/2018   18:24:40   (  -0.02,-134.65) (  -0.32,-133.44)  138.84                80
 03/27/2018   06:40:59   (   0.03,-134.57) (  -0.75,-138.03)  394.60                80
 03/28/2018   06:22:59   (   0.02,-134.52) (   0.38,-133.04)  169.41                80
 03/29/2018   18:39:10   (  -0.03,-134.46) (   0.68,-137.59)  357.13                80
 03/30/2018   18:21:10   (  -0.02,-134.41) (  -0.45,-132.60)  206.84                80
 04/01/2018   06:37:30   (   0.03,-134.32) (  -0.62,-137.19)  326.96                80
 04/02/2018   06:19:30   (   0.02,-134.27) (   0.51,-132.20)  236.71                80
 04/03/2018   18:35:40   (  -0.03,-134.20) (   0.55,-136.75)  290.59                80
 04/04/2018   18:17:41   (  -0.03,-134.15) (  -0.58,-131.76)  272.74                80
 04/06/2018   06:34:00   (   0.04,-134.05) (  -0.49,-136.35)  262.17                80