Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 8 21.  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)
 08/21/2021   06:27:30   (   0.02,-137.18) (   0.73,-133.95)  368.59                80
 08/22/2021   18:43:42   (  -0.03,-137.20) (   0.26,-138.51)  149.96                80
 08/23/2021   18:25:43   (  -0.03,-137.20) (  -0.84,-133.52)  419.81                80
 08/25/2021   06:44:43   (   0.03,-137.21) (  -0.20,-138.11)  103.51                80
 08/26/2021   06:21:25   (   0.03,-137.21) (   0.96,-133.12)  466.09                80
 08/27/2021   18:40:16   (  -0.03,-137.21) (   0.08,-137.68)   52.83                80
 08/30/2021   06:38:37   (   0.03,-137.21) (  -0.02,-137.27)    8.47                80
 09/01/2021   18:39:30   (  -0.02,-137.19) (  -0.11,-136.84)   40.39                80
 09/03/2021   06:58:30   (   0.02,-137.18) (  -0.93,-141.43)  484.68                80