Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 3 30.  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)
 03/30/2021   18:45:38   (   0.04,-137.22) (   0.32,-138.49)  143.99                80
 03/31/2021   18:22:18   (   0.04,-137.22) (  -0.76,-133.48)  424.83                80
 04/02/2021   06:43:57   (  -0.04,-137.19) (  -0.25,-138.08)  101.04                80
 04/03/2021   06:20:38   (  -0.04,-137.19) (   0.90,-133.09)  467.16                80
 04/04/2021   18:39:29   (   0.04,-137.18) (   0.12,-137.65)   52.95                80
 04/07/2021   06:40:28   (  -0.03,-137.14) (  -0.05,-137.25)   11.67                80
 04/09/2021   18:38:39   (   0.03,-137.12) (  -0.03,-136.81)   35.91                80
 04/11/2021   06:57:38   (  -0.03,-137.09) (  -0.98,-141.40)  491.04                80
 04/12/2021   06:34:18   (  -0.03,-137.08) (   0.10,-136.40)   76.62                80