Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 4 1.  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)
 04/01/2021   18:57:51   (   0.04,-137.21) (   0.90,-141.00)  432.23                80
 04/02/2021   18:34:31   (   0.04,-137.21) (  -0.20,-136.01)  135.94                80
 04/04/2021   06:56:12   (  -0.04,-137.18) (  -0.79,-140.61)  391.01                80
 04/05/2021   06:32:52   (  -0.03,-137.17) (   0.31,-135.61)  176.77                80
 04/06/2021   18:51:44   (   0.03,-137.16) (   0.72,-140.18)  343.59                80
 04/07/2021   18:33:45   (   0.03,-137.15) (  -0.39,-135.18)  224.20                80
 04/09/2021   06:52:45   (  -0.03,-137.12) (  -0.61,-139.78)  303.16                80
 04/10/2021   06:29:26   (  -0.03,-137.11) (   0.49,-134.78)  264.49                80
 04/11/2021   18:48:18   (   0.03,-137.10) (   0.53,-139.35)  256.18                80
 04/12/2021   18:30:19   (   0.03,-137.09) (  -0.58,-134.35)  311.23                80
 04/14/2021   06:49:19   (  -0.03,-137.04) (  -0.43,-138.95)  217.05                80