Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 7 4.  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)
 07/05/2021   18:39:19   (   0.02,-137.16) (  -0.06,-136.87)   33.77                80
 07/07/2021   06:55:39   (  -0.02,-137.13) (  -0.98,-141.46)  492.77                80
 07/08/2021   06:37:40   (  -0.03,-137.12) (   0.11,-136.46)   74.82                80
 07/09/2021   18:53:52   (   0.02,-137.10) (   0.92,-141.02)  447.10                80
 07/10/2021   18:35:54   (   0.03,-137.08) (  -0.23,-136.03)  120.01                80
 07/12/2021   06:52:14   (  -0.02,-137.04) (  -0.81,-140.62)  407.76                80
 07/13/2021   06:34:15   (  -0.02,-137.02) (   0.28,-135.62)  158.97                80
 07/14/2021   18:50:27   (   0.02,-136.99) (   0.75,-140.18)  364.10                80
 07/15/2021   18:32:28   (   0.02,-136.96) (  -0.40,-135.19)  202.31                80
 07/17/2021   06:48:49   (  -0.01,-136.92) (  -0.63,-139.78)  326.39                80