Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 11 14.  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)
 11/15/2021   06:48:13   (   0.04,-137.22) (  -0.31,-138.95)  196.28                80
 11/16/2021   06:24:54   (   0.04,-137.22) (   0.80,-133.95)  373.17                80
 11/17/2021   18:43:45   (  -0.04,-137.22) (   0.26,-138.50)  146.37                80
 11/18/2021   18:25:46   (  -0.04,-137.22) (  -0.85,-133.51)  422.76                80
 11/20/2021   06:44:46   (   0.03,-137.22) (  -0.15,-138.11)  101.23                80
 11/21/2021   06:21:26   (   0.03,-137.21) (   0.96,-133.11)  467.38                80
 11/22/2021   18:40:18   (  -0.02,-137.20) (   0.10,-137.67)   53.63                80
 11/25/2021   06:41:17   (   0.01,-137.18) (  -0.03,-137.26)   11.03                80
 11/27/2021   18:39:30   (  -0.01,-137.14) (  -0.08,-136.83)   35.08                80