Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 8 22.  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)
 08/22/2021   18:43:43   (  -0.02,-137.20) (   0.24,-138.52)  149.87                80
 08/23/2021   18:25:43   (  -0.02,-137.20) (  -0.86,-133.52)  419.91                80
 08/25/2021   06:42:03   (   0.03,-137.20) (  -0.18,-138.11)  103.59                80
 08/26/2021   06:24:04   (   0.03,-137.21) (   0.92,-133.11)  465.96                80
 08/27/2021   18:40:16   (  -0.03,-137.21) (   0.06,-137.68)   52.95                80
 08/30/2021   06:38:37   (   0.03,-137.21) (   0.00,-137.28)    8.21                80
 09/01/2021   18:39:30   (  -0.03,-137.19) (  -0.13,-136.85)   40.20                80
 09/03/2021   06:58:30   (   0.03,-137.18) (  -0.91,-141.44)  485.37                80
 09/04/2021   06:35:11   (   0.02,-137.16) (   0.19,-136.44)   82.62                80