Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 6 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 06/30/2021   17:24:21   (   0.03,-137.19) (   0.61,-139.87)  304.58                80
 07/01/2021   17:06:21   (   0.03,-137.19) (  -0.46,-134.88)  262.18                80
 07/03/2021   05:22:41   (  -0.03,-137.18) (  -0.54,-139.53)  267.79                80
 07/04/2021   05:04:41   (  -0.03,-137.17) (   0.53,-134.54)  298.63                80
 07/05/2021   17:20:52   (   0.03,-137.17) (   0.49,-139.15)  225.92                80
 07/06/2021   17:02:53   (   0.03,-137.16) (  -0.64,-134.17)  340.02                80
 07/08/2021   05:19:12   (  -0.02,-137.13) (  -0.41,-138.81)  191.37                80
 07/09/2021   04:58:32   (  -0.02,-137.11) (   0.72,-133.83)  373.91                80
 07/10/2021   17:17:24   (   0.01,-137.10) (   0.29,-138.44)  152.27                80
 07/11/2021   16:59:23   (   0.01,-137.08) (  -0.78,-133.45)  412.64                80
 07/13/2021   05:18:24   (  -0.00,-137.04) (  -0.21,-138.10)  119.93                80