Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 8 18.  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)
 08/18/2021   18:29:08   (  -0.01,-137.19) (  -0.62,-134.34)  323.58                80
 08/20/2021   06:45:30   (   0.02,-137.17) (  -0.36,-138.95)  202.26                80
 08/21/2021   06:27:30   (   0.02,-137.16) (   0.74,-133.95)  365.84                80
 08/22/2021   18:43:42   (  -0.03,-137.15) (   0.25,-138.52)  154.65                80
 08/23/2021   18:25:43   (  -0.03,-137.15) (  -0.85,-133.52)  413.68                80
 08/25/2021   06:44:43   (   0.03,-137.13) (  -0.19,-138.11)  112.11                80
 08/26/2021   06:21:24   (   0.03,-137.12) (   0.91,-133.11)  455.91                80
 08/27/2021   18:40:15   (  -0.02,-137.10) (   0.13,-137.67)   65.08                80
 08/30/2021   06:41:17   (   0.02,-137.06) (  -0.01,-137.27)   24.18                80