Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 4 23.  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)
 04/24/2021   06:42:26   (  -0.04,-137.20) (  -0.06,-137.30)   11.05                80
 04/26/2021   18:40:38   (   0.04,-137.20) (  -0.03,-136.86)   38.24                80
 04/28/2021   06:59:38   (  -0.04,-137.18) (  -1.01,-141.46)  487.82                80
 04/29/2021   06:36:19   (  -0.04,-137.17) (   0.09,-136.46)   80.10                80
 04/30/2021   18:55:10   (   0.03,-137.16) (   0.92,-141.02)  440.98                80
 05/01/2021   18:37:10   (   0.03,-137.14) (  -0.19,-136.03)  126.54                80
 05/03/2021   06:56:12   (  -0.02,-137.11) (  -0.80,-140.64)  400.96                80
 05/04/2021   06:32:52   (  -0.02,-137.10) (   0.31,-135.64)  166.32                80
 05/05/2021   18:51:43   (   0.02,-137.08) (   0.69,-140.20)  355.25                80
 05/06/2021   18:33:44   (   0.02,-137.07) (  -0.43,-135.21)  212.12                80