Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 6 14.  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)
 06/14/2021   06:34:05   (  -0.04,-137.20) (   0.29,-135.63)  178.46                80
 06/15/2021   18:50:17   (   0.03,-137.19) (   0.72,-140.19)  342.10                80
 06/16/2021   18:32:18   (   0.03,-137.18) (  -0.42,-135.20)  226.37                80
 06/18/2021   06:48:40   (  -0.03,-137.17) (  -0.60,-139.80)  298.70                80
 06/19/2021   06:30:40   (  -0.03,-137.16) (   0.49,-134.80)  269.47                80
 06/20/2021   18:46:53   (   0.03,-137.15) (   0.53,-139.36)  252.18                80
 06/21/2021   18:28:54   (   0.03,-137.13) (  -0.61,-134.37)  315.46                80
 06/23/2021   06:45:14   (  -0.02,-137.11) (  -0.45,-138.96)  211.04                80
 06/24/2021   06:27:16   (  -0.02,-137.09) (   0.69,-133.97)  355.95                80
 06/25/2021   18:43:28   (   0.02,-137.06) (   0.33,-138.53)  167.45                80
 06/26/2021   18:25:29   (   0.01,-137.04) (  -0.75,-133.53)  399.21                80