Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 19.  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)
 11/20/2021   06:44:46   (   0.04,-137.21) (  -0.14,-138.11)  102.15                80
 11/21/2021   06:21:27   (   0.04,-137.21) (   0.97,-133.12)  466.41                80
 11/22/2021   18:40:18   (  -0.03,-137.20) (   0.08,-137.67)   53.64                80
 11/25/2021   06:41:18   (   0.02,-137.17) (  -0.02,-137.26)   11.92                80
 11/27/2021   18:39:30   (  -0.02,-137.14) (  -0.10,-136.84)   34.93                80
 11/29/2021   06:58:30   (   0.01,-137.11) (  -0.95,-141.43)  491.94                80
 11/30/2021   06:35:10   (   0.01,-137.09) (   0.17,-136.43)   75.28                80
 12/01/2021   18:54:02   (  -0.01,-137.07) (   0.89,-140.99)  447.09                80
 12/02/2021   18:36:02   (  -0.01,-137.05) (  -0.23,-135.99)  119.71                80