Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 6 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 06/09/2021   18:30:10   (   0.04,-137.20) (  -0.60,-134.39)  320.62                80
 06/11/2021   06:46:30   (  -0.03,-137.20) (  -0.44,-138.98)  203.32                80
 06/12/2021   06:28:30   (  -0.03,-137.20) (   0.69,-133.99)  365.74                80
 06/13/2021   18:44:41   (   0.02,-137.20) (   0.35,-138.55)  154.35                80
 06/14/2021   18:26:41   (   0.02,-137.19) (  -0.77,-133.55)  414.35                80
 06/16/2021   06:43:02   (  -0.02,-137.19) (  -0.25,-138.15)  110.60                80
 06/17/2021   06:25:02   (  -0.02,-137.18) (   0.87,-133.16)  457.81                80
 06/18/2021   18:41:13   (   0.02,-137.17) (   0.12,-137.73)   63.31                80
 06/21/2021   06:39:33   (  -0.01,-137.14) (  -0.06,-137.32)   21.19                80