Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 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)
 11/17/2021   18:43:46   (  -0.05,-137.22) (   0.21,-138.52)  146.41                80
 11/18/2021   18:25:46   (  -0.05,-137.22) (  -0.90,-133.52)  422.74                80
 11/20/2021   06:44:46   (   0.04,-137.21) (  -0.16,-138.11)  101.83                80
 11/21/2021   06:21:26   (   0.04,-137.21) (   0.95,-133.11)  466.76                80
 11/22/2021   18:40:18   (  -0.03,-137.20) (   0.04,-137.68)   53.64                80
 11/25/2021   06:41:18   (   0.02,-137.17) (   0.02,-137.27)   11.25                80
 11/27/2021   18:39:30   (  -0.02,-137.14) (  -0.08,-136.83)   35.26                80
 11/29/2021   06:58:29   (   0.01,-137.12) (  -0.97,-141.42)  491.16                80
 11/30/2021   06:35:10   (   0.01,-137.10) (   0.15,-136.43)   76.14                80