Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 9 25.  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)
 09/25/2021   18:40:16   (  -0.04,-137.22) (   0.04,-137.66)   49.95                80
 09/28/2021   06:38:36   (   0.04,-137.21) (   0.03,-137.26)    5.21                80
 09/30/2021   18:39:28   (  -0.04,-137.20) (  -0.13,-136.82)   44.09                80
 10/02/2021   06:58:28   (   0.03,-137.19) (  -0.91,-141.41)  481.41                80
 10/03/2021   06:35:09   (   0.03,-137.18) (   0.21,-136.42)   86.90                80
 10/04/2021   18:54:00   (  -0.03,-137.17) (   0.79,-140.98)  433.57                80
 10/05/2021   18:36:01   (  -0.03,-137.16) (  -0.32,-135.98)  134.47                80
 10/07/2021   06:55:01   (   0.03,-137.13) (  -0.71,-140.58)  392.02                80
 10/08/2021   06:34:21   (   0.03,-137.11) (   0.35,-135.57)  175.51                80