Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 4 16.  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)
 04/16/2021   18:44:52   (   0.04,-137.20) (   0.31,-138.53)  150.65                80
 04/17/2021   18:24:12   (   0.04,-137.19) (  -0.79,-133.53)  417.74                80
 04/19/2021   06:45:53   (  -0.04,-137.17) (  -0.23,-138.13)  108.17                80
 04/20/2021   06:22:33   (  -0.03,-137.16) (   0.88,-133.13)  459.71                80
 04/21/2021   18:41:25   (   0.03,-137.15) (   0.16,-137.69)   61.53                80
 04/24/2021   06:42:25   (  -0.03,-137.11) (  -0.09,-137.29)   20.94                80
 04/26/2021   18:40:38   (   0.03,-137.08) (  -0.05,-136.87)   24.58                80
 04/29/2021   06:38:59   (  -0.02,-137.01) (   0.12,-136.47)   62.81                80