Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 7 18.  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)
 07/20/2021   06:39:20   (  -0.01,-137.20) (  -0.02,-137.32)   12.94                80
 07/22/2021   18:40:12   (   0.02,-137.20) (  -0.07,-136.89)   35.90                80
 07/24/2021   06:56:30   (  -0.02,-137.18) (  -0.98,-141.47)  489.39                80
 07/25/2021   06:38:31   (  -0.02,-137.17) (   0.16,-136.48)   78.99                80
 07/26/2021   18:54:42   (  -0.00,-137.17) (   0.89,-141.04)  442.14                80
 07/27/2021   18:36:43   (  -0.01,-137.16) (  -0.25,-136.05)  126.05                80
 07/29/2021   06:53:02   (   0.01,-137.14) (  -0.74,-140.65)  399.51                80
 07/30/2021   06:35:02   (   0.01,-137.13) (   0.34,-135.65)  168.67                80
 07/31/2021   18:51:14   (  -0.01,-137.12) (   0.65,-140.22)  352.66                80