Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 5 11.  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)
 05/13/2021   17:20:22   (   0.04,-137.19) (   0.04,-137.07)   13.26                80
 05/16/2021   05:18:42   (  -0.03,-137.15) (   0.04,-136.73)   47.73                80
 05/17/2021   17:34:55   (   0.02,-137.14) (   0.93,-141.34)  478.02                80
 05/18/2021   17:16:54   (   0.02,-137.13) (  -0.12,-136.35)   87.23                80
 05/20/2021   05:33:15   (  -0.02,-137.09) (  -0.90,-140.99)  444.78                80
 05/21/2021   05:15:15   (  -0.02,-137.07) (   0.21,-136.02)  120.21                80
 05/22/2021   17:31:26   (   0.01,-137.05) (   0.82,-140.62)  406.41                80
 05/23/2021   17:13:27   (   0.01,-137.03) (  -0.30,-135.64)  158.20                80