Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 11.  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)
 11/11/2021   06:28:20   (   0.04,-137.20) (   0.60,-134.78)  276.50                80
 11/12/2021   18:47:12   (  -0.03,-137.20) (   0.46,-139.33)  243.91                80
 11/13/2021   18:29:12   (  -0.03,-137.19) (  -0.65,-134.34)  324.92                80
 11/15/2021   06:48:12   (   0.03,-137.19) (  -0.35,-138.94)  199.13                80
 11/16/2021   06:24:53   (   0.03,-137.18) (   0.76,-133.94)  369.43                80
 11/17/2021   18:43:45   (  -0.03,-137.17) (   0.24,-138.51)  151.70                80
 11/18/2021   18:25:46   (  -0.03,-137.16) (  -0.87,-133.51)  416.57                80
 11/20/2021   06:44:45   (   0.02,-137.15) (  -0.19,-138.10)  108.52                80
 11/21/2021   06:21:26   (   0.02,-137.13) (   0.92,-133.11)  459.21                80
 11/22/2021   18:40:17   (  -0.01,-137.11) (   0.14,-137.66)   63.40                80