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

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 09/18/2021   06:48:10   (   0.03,-137.20) (  -0.37,-138.92)  197.14                80
 09/19/2021   06:24:51   (   0.03,-137.20) (   0.74,-133.93)  371.85                80
 09/20/2021   18:43:42   (  -0.03,-137.19) (   0.27,-138.49)  148.01                80
 09/21/2021   18:25:42   (  -0.03,-137.19) (  -0.84,-133.49)  420.93                80
 09/23/2021   06:44:44   (   0.03,-137.18) (  -0.15,-138.10)  103.44                80
 09/24/2021   06:21:24   (   0.03,-137.18) (   0.97,-133.10)  465.13                80
 09/25/2021   18:40:15   (  -0.03,-137.16) (   0.10,-137.65)   55.85                80
 09/28/2021   06:41:16   (   0.03,-137.13) (   0.02,-137.26)   13.52                80
 09/30/2021   18:39:27   (  -0.02,-137.09) (  -0.07,-136.81)   32.01                80