Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 4 19.  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)
 04/19/2021   06:45:52   (  -0.04,-137.19) (  -0.25,-138.12)  105.83                80
 04/20/2021   06:22:33   (  -0.04,-137.19) (   0.86,-133.13)  463.18                80
 04/21/2021   18:41:25   (   0.03,-137.20) (   0.12,-137.70)   56.52                80
 04/24/2021   06:42:26   (  -0.03,-137.19) (  -0.05,-137.30)   12.56                80
 04/26/2021   18:40:38   (   0.03,-137.18) (  -0.04,-136.86)   35.36                80
 04/28/2021   06:59:38   (  -0.03,-137.16) (  -1.00,-141.46)  490.56                80
 04/29/2021   06:36:19   (  -0.03,-137.14) (   0.10,-136.46)   77.03                80
 04/30/2021   18:55:10   (   0.02,-137.12) (   0.91,-141.03)  445.11                80
 05/01/2021   18:37:11   (   0.02,-137.11) (  -0.20,-136.03)  122.08                80