Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 5 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)
 05/09/2021   06:32:05   (  -0.05,-137.19) (   0.49,-134.81)  271.98                80
 05/10/2021   18:48:15   (   0.05,-137.20) (   0.56,-139.36)  246.82                80
 05/11/2021   18:30:16   (   0.05,-137.20) (  -0.56,-134.37)  321.96                80
 05/13/2021   06:46:37   (  -0.04,-137.18) (  -0.45,-138.97)  204.23                80
 05/14/2021   06:28:37   (  -0.04,-137.17) (   0.67,-133.98)  363.92                80
 05/15/2021   18:44:49   (   0.03,-137.17) (   0.31,-138.55)  156.46                80
 05/16/2021   18:26:49   (   0.03,-137.15) (  -0.81,-133.55)  411.27                80
 05/18/2021   06:43:10   (  -0.02,-137.13) (  -0.26,-138.14)  116.38                80
 05/19/2021   06:25:10   (  -0.02,-137.11) (   0.86,-133.15)  450.96                80
 05/20/2021   18:41:20   (   0.02,-137.09) (   0.17,-137.71)   70.46                80
 05/21/2021   18:23:21   (   0.01,-137.07) (  -0.94,-132.71)  496.68                80