Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 10 1.  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)
 10/02/2021   06:55:48   (   0.04,-137.22) (  -0.91,-141.41)  477.92                80
 10/03/2021   06:37:49   (   0.04,-137.23) (   0.21,-136.42)   92.24                80
 10/04/2021   18:54:00   (  -0.04,-137.25) (   0.80,-140.98)  425.30                80
 10/05/2021   18:36:01   (  -0.04,-137.25) (  -0.32,-135.98)  144.51                80
 10/07/2021   06:52:21   (   0.04,-137.25) (  -0.71,-140.58)  379.36                80
 10/08/2021   06:34:22   (   0.04,-137.25) (   0.40,-135.58)  189.99                80
 10/09/2021   18:50:33   (  -0.04,-137.25) (   0.60,-140.14)  329.04                80
 10/10/2021   18:32:33   (  -0.04,-137.25) (  -0.51,-135.15)  239.71                80
 10/12/2021   06:48:54   (   0.03,-137.23) (  -0.51,-139.74)  285.80                80
 10/13/2021   06:30:54   (   0.03,-137.22) (   0.61,-134.75)  282.57                80
 10/14/2021   18:47:05   (  -0.03,-137.21) (   0.46,-139.29)  237.74                80