Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 5 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 05/23/2021   06:42:22   (  -0.04,-137.19) (  -0.06,-137.32)   14.32                80
 05/25/2021   18:40:33   (   0.04,-137.17) (  -0.04,-136.88)   33.79                80
 05/27/2021   06:56:54   (  -0.03,-137.15) (  -0.97,-141.48)  493.18                80
 05/28/2021   06:36:14   (  -0.03,-137.14) (   0.09,-136.48)   74.33                80
 05/29/2021   18:55:05   (   0.02,-137.12) (   0.88,-141.05)  447.41                80
 05/30/2021   18:37:06   (   0.02,-137.10) (  -0.25,-136.06)  119.87                80
 06/01/2021   06:56:06   (  -0.01,-137.07) (  -0.81,-140.65)  407.76                80
 06/02/2021   06:32:47   (  -0.01,-137.05) (   0.31,-135.66)  159.43                80