Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-C
TLE Epoch: 2021 5 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)
 05/01/2021   18:37:11   (   0.05,-137.20) (  -0.23,-136.03)  133.53                80
 05/03/2021   06:56:11   (  -0.04,-137.18) (  -0.82,-140.63)  393.20                80
 05/04/2021   06:32:52   (  -0.04,-137.17) (   0.29,-135.63)  175.29                80
 05/05/2021   18:51:43   (   0.04,-137.18) (   0.71,-140.20)  343.41                80
 05/06/2021   18:33:43   (   0.04,-137.18) (  -0.40,-135.20)  225.11                80
 05/08/2021   06:52:44   (  -0.04,-137.15) (  -0.66,-139.80)  301.89                80
 05/09/2021   06:29:24   (  -0.04,-137.15) (   0.46,-134.80)  266.39                80
 05/10/2021   18:48:16   (   0.03,-137.15) (   0.53,-139.37)  252.97                80
 05/11/2021   18:30:16   (   0.03,-137.14) (  -0.59,-134.38)  314.88                80
 05/13/2021   06:49:16   (  -0.03,-137.10) (  -0.47,-138.97)  213.46                80
 05/14/2021   06:25:57   (  -0.02,-137.08) (   0.64,-133.97)  353.82                80