Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2017 11 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 11/18/2017   15:29:55   (  -0.02, -89.35) (   0.01, -89.60)   29.12                80
 11/21/2017   03:25:37   (   0.02, -89.33) (   0.07, -89.21)   14.91                80
 11/23/2017   15:23:50   (  -0.01, -89.38) (  -0.15, -88.77)   69.14                80
 11/25/2017   03:45:31   (   0.00, -89.36) (  -0.87, -93.37)  456.32                80
 11/26/2017   03:22:12   (   0.00, -89.37) (   0.22, -88.37)  113.75                80
 11/27/2017   15:41:04   (   0.00, -89.42) (   0.78, -92.94)  401.22                80
 11/28/2017   15:20:25   (   0.00, -89.43) (  -0.31, -87.94)  169.06                80
 11/30/2017   03:42:06   (  -0.00, -89.42) (  -0.71, -92.54)  355.99                80
 12/01/2017   03:18:47   (  -0.00, -89.43) (   0.44, -87.55)  214.30                80