Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 16.  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)
 11/16/2021   06:24:53   (   0.04,-137.22) (   0.75,-133.94)  372.75                80
 11/17/2021   18:43:45   (  -0.04,-137.22) (   0.25,-138.51)  146.60                80
 11/18/2021   18:25:46   (  -0.04,-137.22) (  -0.86,-133.51)  422.38                80
 11/20/2021   06:44:46   (   0.03,-137.21) (  -0.14,-138.11)  102.18                80
 11/21/2021   06:21:26   (   0.03,-137.20) (   0.92,-133.10)  466.34                80
 11/22/2021   18:40:18   (  -0.02,-137.19) (   0.08,-137.67)   54.46                80
 11/25/2021   06:41:18   (   0.01,-137.16) (  -0.02,-137.26)   12.14                80
 11/27/2021   18:39:30   (  -0.01,-137.13) (  -0.10,-136.84)   33.74                80
 11/29/2021   06:58:30   (   0.01,-137.10) (  -0.95,-141.43)  492.73                80