Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 1 26.  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)
 01/26/2021   18:49:30   (   0.02,-137.24) (   0.49,-139.38)  243.79                80
 01/27/2021   18:28:51   (   0.02,-137.25) (  -0.63,-134.39)  325.80                80
 01/29/2021   06:47:51   (  -0.03,-137.24) (  -0.41,-138.98)  198.99                80
 01/30/2021   06:24:31   (  -0.03,-137.23) (   0.71,-133.99)  370.04                80
 01/31/2021   18:43:22   (   0.03,-137.24) (   0.34,-138.54)  148.67                80
 02/01/2021   18:25:22   (   0.03,-137.24) (  -0.78,-133.55)  420.19                80
 02/03/2021   06:44:23   (  -0.03,-137.22) (  -0.25,-138.14)  105.56                80
 02/04/2021   06:21:03   (  -0.03,-137.21) (   0.88,-133.15)  462.73                80
 02/05/2021   18:39:54   (   0.02,-137.20) (   0.12,-137.71)   57.48                80
 02/08/2021   06:40:55   (  -0.01,-137.16) (  -0.02,-137.31)   17.26                80