Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 7 30.  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)
 08/01/2021   06:38:33   (   0.01,-137.21) (  -0.03,-137.29)    9.95                80
 08/03/2021   18:39:27   (   0.00,-137.21) (  -0.10,-136.86)   40.87                80
 08/05/2021   06:58:26   (  -0.02,-137.20) (  -0.98,-141.44)  484.01                80
 08/06/2021   06:35:08   (  -0.01,-137.19) (   0.17,-136.46)   84.10                80
 08/07/2021   18:54:00   (   0.00,-137.19) (   0.84,-141.02)  436.12                80
 08/08/2021   18:36:01   (   0.00,-137.18) (  -0.26,-136.02)  131.93                80
 08/10/2021   06:55:01   (   0.00,-137.15) (  -0.77,-140.61)  394.42                80
 08/11/2021   06:31:41   (   0.00,-137.14) (   0.33,-135.61)  173.33                80
 08/12/2021   18:50:34   (  -0.00,-137.13) (   0.68,-140.18)  347.74                80