Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 4 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 04/03/2021   06:23:17   (  -0.04,-137.20) (   0.87,-133.08)  468.50                80
 04/04/2021   18:42:09   (   0.04,-137.18) (   0.14,-137.65)   53.13                80
 04/07/2021   06:37:48   (  -0.04,-137.11) (  -0.07,-137.24)   15.18                80
 04/09/2021   18:35:58   (   0.04,-137.06) (  -0.00,-136.80)   29.82                80
 04/11/2021   06:54:58   (  -0.04,-137.01) (  -1.01,-141.40)  499.48                80
 04/12/2021   06:36:57   (  -0.04,-136.99) (   0.07,-136.39)   67.03                80
 04/13/2021   18:53:08   (   0.04,-136.96) (   0.93,-140.96)  455.49                80
 04/14/2021   18:35:08   (   0.04,-136.93) (  -0.15,-135.95)  110.55                80
 04/16/2021   06:51:27   (  -0.04,-136.86) (  -0.87,-140.55)  420.16                80