Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 6 13.  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)
 06/13/2021   18:44:41   (   0.04,-137.20) (   0.35,-138.55)  153.99                80
 06/14/2021   18:26:41   (   0.04,-137.19) (  -0.77,-133.55)  414.65                80
 06/16/2021   06:43:02   (  -0.03,-137.18) (  -0.25,-138.15)  110.43                80
 06/17/2021   06:25:02   (  -0.03,-137.18) (   0.88,-133.16)  457.93                80
 06/18/2021   18:41:12   (   0.03,-137.16) (   0.17,-137.71)   63.34                80
 06/21/2021   06:39:33   (  -0.03,-137.13) (  -0.06,-137.32)   21.35                80
 06/23/2021   18:40:24   (   0.02,-137.09) (  -0.01,-136.88)   23.20                80
 06/26/2021   06:38:44   (  -0.01,-137.03) (   0.09,-136.48)   62.55                80