Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 4 15.  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)
 04/15/2021   06:26:00   (  -0.04,-137.20) (   0.70,-133.96)  369.27                80
 04/16/2021   18:47:31   (   0.04,-137.20) (   0.36,-138.51)  150.64                80
 04/17/2021   18:24:13   (   0.04,-137.19) (  -0.80,-133.53)  417.77                80
 04/19/2021   06:45:52   (  -0.04,-137.18) (  -0.28,-138.12)  108.17                80
 04/20/2021   06:22:33   (  -0.03,-137.17) (   0.89,-133.14)  459.75                80
 04/21/2021   18:41:25   (   0.03,-137.15) (   0.15,-137.69)   61.41                80
 04/24/2021   06:42:26   (  -0.03,-137.11) (  -0.07,-137.29)   20.71                80
 04/26/2021   18:40:37   (   0.03,-137.08) (  -0.01,-136.86)   24.60                80