Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 4 22.  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)
 04/22/2021   06:27:20   (  -0.04,-137.20) (   0.54,-134.75)  279.75                80
 04/23/2021   18:46:13   (   0.04,-137.21) (   0.53,-139.30)  239.60                80
 04/24/2021   18:28:15   (   0.04,-137.20) (  -0.63,-134.32)  329.12                80
 04/26/2021   06:47:17   (  -0.04,-137.19) (  -0.43,-138.91)  196.29                80
 04/27/2021   06:23:58   (  -0.04,-137.19) (   0.67,-133.92)  371.88                80
 04/28/2021   18:42:51   (   0.04,-137.18) (   0.33,-138.48)  148.86                80
 04/29/2021   18:24:53   (   0.04,-137.17) (  -0.78,-133.49)  418.75                80
 05/01/2021   06:43:55   (  -0.03,-137.14) (  -0.23,-138.09)  108.38                80
 05/02/2021   06:20:37   (  -0.03,-137.13) (   0.88,-133.10)  458.75                80
 05/03/2021   18:39:30   (   0.02,-137.11) (   0.12,-137.67)   63.31                80