Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 5 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 05/11/2021   05:22:10   (  -0.05,-137.19) (  -0.11,-137.44)   29.13                80
 05/13/2021   17:20:22   (   0.04,-137.19) (   0.03,-137.07)   13.12                80
 05/16/2021   05:18:43   (  -0.03,-137.15) (   0.05,-136.73)   47.65                80
 05/17/2021   17:34:55   (   0.02,-137.14) (   0.92,-141.34)  477.90                80
 05/18/2021   17:16:54   (   0.02,-137.13) (  -0.13,-136.36)   87.36                80
 05/20/2021   05:33:15   (  -0.02,-137.09) (  -0.89,-140.99)  444.70                80
 05/21/2021   05:15:15   (  -0.02,-137.08) (   0.22,-136.02)  120.31                80
 05/22/2021   17:31:27   (   0.01,-137.06) (   0.81,-140.62)  406.16                80