Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 6 8.  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)
 06/08/2021   06:55:28   (  -0.04,-137.19) (  -1.01,-141.45)  486.00                80
 06/09/2021   06:37:29   (  -0.04,-137.20) (   0.13,-136.46)   83.67                80
 06/10/2021   18:53:42   (   0.03,-137.20) (   0.88,-141.02)  435.42                80
 06/11/2021   18:35:43   (   0.03,-137.20) (  -0.26,-136.04)  133.76                80
 06/13/2021   06:52:04   (  -0.03,-137.20) (  -0.77,-140.63)  390.53                80
 06/14/2021   06:31:25   (  -0.02,-137.20) (   0.31,-135.63)  178.19                80
 06/15/2021   18:50:17   (   0.02,-137.19) (   0.70,-140.19)  342.21                80
 06/16/2021   18:32:19   (   0.02,-137.19) (  -0.44,-135.21)  226.24                80
 06/18/2021   06:48:40   (  -0.02,-137.18) (  -0.58,-139.80)  298.84                80
 06/19/2021   06:30:41   (  -0.02,-137.17) (   0.51,-134.80)  269.28                80
 06/20/2021   18:46:53   (   0.01,-137.15) (   0.51,-139.36)  252.28                80
 06/21/2021   18:28:54   (   0.01,-137.14) (  -0.63,-134.38)  315.26                80