Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 7 13.  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)
 07/13/2021   18:26:31   (   0.01,-137.16) (  -0.82,-133.56)  411.28                80
 07/15/2021   06:42:49   (  -0.00,-137.16) (  -0.24,-138.15)  113.22                80
 07/16/2021   06:24:49   (  -0.01,-137.15) (   0.90,-133.16)  455.14                80
 07/17/2021   18:41:01   (   0.00,-137.13) (   0.15,-137.71)   66.88                80
 07/20/2021   06:39:19   (  -0.01,-137.10) (  -0.06,-137.31)   24.58                80
 07/22/2021   18:40:11   (   0.02,-137.05) (  -0.03,-136.88)   19.28                80
 07/25/2021   06:35:50   (  -0.01,-136.99) (   0.12,-136.48)   59.17                80
 07/26/2021   18:54:41   (   0.00,-136.96) (   0.93,-141.03)  464.98                80