Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 3 29.  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)
 03/29/2021   06:24:07   (  -0.04,-137.21) (   0.67,-133.92)  374.59                80
 03/30/2021   18:45:38   (   0.04,-137.22) (   0.35,-138.48)  144.15                80
 03/31/2021   18:22:18   (   0.04,-137.22) (  -0.79,-133.49)  424.68                80
 04/02/2021   06:43:58   (  -0.04,-137.19) (  -0.22,-138.09)  101.07                80
 04/03/2021   06:20:37   (  -0.04,-137.19) (   0.86,-133.08)  467.12                80
 04/04/2021   18:39:28   (   0.04,-137.18) (   0.15,-137.64)   53.18                80
 04/07/2021   06:40:27   (  -0.03,-137.14) (  -0.08,-137.24)   12.05                80
 04/09/2021   18:38:39   (   0.03,-137.12) (  -0.06,-136.81)   35.56                80
 04/11/2021   06:57:37   (  -0.03,-137.09) (  -1.01,-141.40)  491.23                80