Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 5.  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)
 11/05/2021   06:55:06   (   0.05,-137.21) (  -0.71,-140.60)  386.47                80
 11/06/2021   06:31:47   (   0.05,-137.21) (   0.40,-135.61)  182.36                80
 11/07/2021   18:50:39   (  -0.04,-137.20) (   0.60,-140.17)  338.20                80
 11/08/2021   18:32:40   (  -0.04,-137.19) (  -0.50,-135.18)  230.18                80
 11/10/2021   06:51:39   (   0.03,-137.18) (  -0.56,-139.76)  294.94                80
 11/11/2021   06:28:19   (   0.03,-137.17) (   0.55,-134.77)  273.21                80
 11/12/2021   18:47:12   (  -0.02,-137.15) (   0.45,-139.33)  248.13                80
 11/13/2021   18:29:12   (  -0.02,-137.14) (  -0.66,-134.34)  319.97                80
 11/15/2021   06:48:11   (   0.02,-137.13) (  -0.40,-138.92)  205.39                80
 11/16/2021   06:24:52   (   0.02,-137.11) (   0.71,-133.93)  362.49                80
 11/17/2021   18:43:44   (  -0.02,-137.09) (   0.28,-138.50)  159.54                80
 11/18/2021   18:25:45   (  -0.02,-137.08) (  -0.83,-133.50)  407.99                80