Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 9 27.  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)
 09/28/2021   06:38:36   (   0.04,-137.20) (   0.01,-137.25)    6.20                80
 09/30/2021   18:39:28   (  -0.04,-137.20) (  -0.12,-136.82)   43.06                80
 10/02/2021   06:55:48   (   0.03,-137.17) (  -0.92,-141.41)  483.00                80
 10/03/2021   06:37:49   (   0.03,-137.16) (   0.20,-136.42)   85.11                80
 10/04/2021   18:54:00   (  -0.03,-137.15) (   0.81,-140.98)  435.37                80
 10/05/2021   18:36:01   (  -0.03,-137.14) (  -0.30,-135.98)  132.45                80
 10/07/2021   06:52:21   (   0.03,-137.11) (  -0.73,-140.57)  394.62                80
 10/08/2021   06:34:21   (   0.03,-137.09) (   0.39,-135.58)  172.70                80
 10/09/2021   18:50:32   (  -0.03,-137.07) (   0.68,-140.13)  349.37                80
 10/10/2021   18:32:32   (  -0.03,-137.04) (  -0.44,-135.13)  217.39                80