Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 4 21.  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)
 04/21/2021   18:41:25   (   0.04,-137.21) (   0.16,-137.69)   55.40                80
 04/24/2021   06:42:25   (  -0.04,-137.20) (  -0.08,-137.29)   11.11                80
 04/26/2021   18:40:38   (   0.04,-137.20) (  -0.06,-136.87)   37.92                80
 04/28/2021   06:59:39   (  -0.04,-137.18) (  -0.98,-141.46)  487.92                80
 04/29/2021   06:36:19   (  -0.04,-137.17) (   0.13,-136.47)   79.92                80
 04/30/2021   18:55:10   (   0.03,-137.15) (   0.88,-141.03)  441.62                80
 05/01/2021   18:37:11   (   0.03,-137.14) (  -0.23,-136.04)  125.82                80
 05/03/2021   06:56:11   (  -0.02,-137.11) (  -0.82,-140.63)  401.30                80
 05/04/2021   06:32:52   (  -0.02,-137.10) (   0.29,-135.64)  165.94                80