Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 8 25.  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)
 08/26/2018   18:36:28   (   0.12,-134.74) (   0.56,-136.72)  225.55                80
 08/27/2018   18:13:07   (   0.09,-134.69) (  -0.55,-131.72)  337.98                80
 08/29/2018   06:34:46   (  -0.13,-134.56) (  -0.53,-136.31)  198.99                80
 08/30/2018   06:11:25   (  -0.10,-134.51) (   0.59,-131.31)  364.17                80
 08/31/2018   18:32:54   (   0.15,-134.49) (   0.45,-135.86)  156.47                80
 09/01/2018   18:09:34   (   0.12,-134.44) (  -0.66,-130.87)  406.28                80
 09/03/2018   06:31:12   (  -0.16,-134.29) (  -0.41,-135.45)  132.06                80
 09/04/2018   06:07:52   (  -0.13,-134.23) (   0.70,-130.46)  430.05                80
 09/05/2018   18:29:21   (   0.18,-134.20) (   0.34,-135.01)   92.40                80
 09/06/2018   18:06:01   (   0.15,-134.13) (  -0.78,-130.02)  469.40                80
 09/08/2018   06:27:38   (  -0.20,-133.98) (  -0.34,-134.59)   70.08                80