Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 1 28.  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)
 01/29/2018   06:20:35   (  -0.00,-135.09) (   0.46,-133.03)  234.38                80
 01/30/2018   18:39:26   (   0.01,-135.12) (   0.59,-137.59)  281.35                80
 01/31/2018   18:21:26   (   0.02,-135.15) (  -0.53,-132.59)  291.23                80
 02/02/2018   06:40:27   (  -0.03,-135.21) (  -0.47,-137.19)  226.31                80
 02/03/2018   06:17:07   (  -0.03,-135.23) (   0.64,-132.20)  345.66                80
 02/04/2018   18:35:59   (   0.03,-135.26) (   0.35,-136.77)  170.99                80
 02/05/2018   18:18:00   (   0.02,-135.29) (  -0.76,-131.77)  401.07                80
 02/07/2018   06:37:00   (  -0.02,-135.34) (  -0.23,-136.37)  116.94                80
 02/08/2018   06:13:41   (  -0.02,-135.37) (   0.88,-131.38)  454.53                80
 02/09/2018   18:32:32   (   0.02,-135.38) (   0.17,-135.93)   63.51                80