Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 13.  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)
 11/13/2021   18:29:13   (  -0.05,-137.21) (  -0.71,-134.35)  326.61                80
 11/15/2021   06:48:13   (   0.04,-137.22) (  -0.35,-138.94)  196.09                80
 11/16/2021   06:24:53   (   0.04,-137.22) (   0.76,-133.94)  373.37                80
 11/17/2021   18:43:45   (  -0.04,-137.22) (   0.24,-138.51)  146.26                80
 11/18/2021   18:25:46   (  -0.04,-137.22) (  -0.87,-133.51)  422.89                80
 11/20/2021   06:44:45   (   0.03,-137.22) (  -0.19,-138.10)  100.87                80
 11/21/2021   06:21:26   (   0.03,-137.22) (   0.92,-133.11)  467.80                80
 11/22/2021   18:40:18   (  -0.02,-137.20) (   0.08,-137.67)   53.30                80
 11/25/2021   06:41:18   (   0.01,-137.18) (  -0.02,-137.27)   10.05                80