Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 8 19.  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)
 08/20/2021   06:45:29   (   0.01,-137.17) (  -0.38,-138.94)  202.45                80
 08/21/2021   06:27:30   (   0.02,-137.16) (   0.72,-133.95)  365.65                80
 08/22/2021   18:43:42   (  -0.03,-137.15) (   0.27,-138.51)  154.95                80
 08/23/2021   18:25:43   (  -0.03,-137.14) (  -0.83,-133.51)  413.23                80
 08/25/2021   06:42:03   (   0.03,-137.12) (  -0.21,-138.11)  112.89                80
 08/26/2021   06:24:04   (   0.03,-137.11) (   0.95,-133.12)  455.11                80
 08/27/2021   18:40:16   (  -0.03,-137.10) (   0.10,-137.67)   65.86                80
 08/30/2021   06:38:37   (   0.03,-137.05) (  -0.04,-137.27)   25.36                80
 09/01/2021   18:39:29   (  -0.02,-137.00) (  -0.09,-136.84)   19.49                80