Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 15.  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)
 11/15/2021   06:48:13   (   0.04,-137.22) (  -0.33,-138.94)  196.43                80
 11/16/2021   06:24:53   (   0.04,-137.22) (   0.78,-133.95)  372.93                80
 11/17/2021   18:43:46   (  -0.04,-137.22) (   0.22,-138.51)  146.52                80
 11/18/2021   18:25:46   (  -0.04,-137.22) (  -0.89,-133.52)  422.56                80
 11/20/2021   06:44:46   (   0.03,-137.21) (  -0.17,-138.11)  101.68                80
 11/21/2021   06:21:26   (   0.03,-137.21) (   0.95,-133.11)  466.84                80
 11/22/2021   18:40:18   (  -0.02,-137.20) (   0.06,-137.68)   54.13                80
 11/25/2021   06:41:18   (   0.01,-137.17) (   0.01,-137.27)   11.45                80
 11/27/2021   18:39:30   (  -0.01,-137.13) (  -0.06,-136.83)   34.37                80