Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 8 25.  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)
 08/25/2021   06:42:04   (   0.03,-137.20) (  -0.17,-138.11)  104.01                80
 08/26/2021   06:24:04   (   0.03,-137.20) (   0.93,-133.12)  465.38                80
 08/27/2021   18:40:16   (  -0.03,-137.21) (   0.05,-137.68)   53.51                80
 08/30/2021   06:38:37   (   0.02,-137.19) (   0.01,-137.28)    9.45                80
 09/01/2021   18:39:29   (  -0.02,-137.18) (  -0.08,-136.83)   38.84                80
 09/03/2021   06:58:30   (   0.03,-137.16) (  -0.91,-141.44)  487.41                80
 09/04/2021   06:35:11   (   0.02,-137.14) (   0.20,-136.44)   80.44                80
 09/05/2021   18:54:02   (  -0.02,-137.13) (   0.83,-141.00)  440.66                80
 09/06/2021   18:36:03   (  -0.02,-137.11) (  -0.27,-136.00)  126.92                80