Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 10 3.  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)
 10/03/2021   06:37:49   (   0.04,-137.21) (   0.22,-136.42)   90.03                80
 10/04/2021   18:54:00   (  -0.04,-137.22) (   0.78,-140.98)  428.72                80
 10/05/2021   18:36:01   (  -0.04,-137.22) (  -0.33,-135.99)  140.42                80
 10/07/2021   06:52:21   (   0.04,-137.21) (  -0.70,-140.58)  384.39                80
 10/08/2021   06:34:22   (   0.04,-137.20) (   0.42,-135.59)  184.27                80
 10/09/2021   18:50:33   (  -0.04,-137.19) (   0.59,-140.15)  336.00                80
 10/10/2021   18:32:33   (  -0.04,-137.18) (  -0.47,-135.14)  232.10                80
 10/12/2021   06:48:53   (   0.04,-137.15) (  -0.56,-139.73)  294.34                80
 10/13/2021   06:30:53   (   0.03,-137.14) (   0.57,-134.74)  273.32                80
 10/14/2021   18:47:05   (  -0.03,-137.12) (   0.44,-139.30)  248.21                80
 10/15/2021   18:29:05   (  -0.03,-137.10) (  -0.68,-134.30)  319.33                80