Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 6 12.  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)
 06/14/2021   05:18:36   (  -0.04,-137.20) (  -0.06,-137.42)   25.29                80
 06/16/2021   17:16:47   (   0.03,-137.18) (   0.02,-137.04)   16.28                80
 06/19/2021   05:15:07   (  -0.03,-137.16) (   0.10,-136.71)   52.66                80
 06/20/2021   17:31:19   (   0.03,-137.14) (   0.93,-141.31)  473.67                80
 06/21/2021   17:13:18   (   0.02,-137.13) (  -0.14,-136.32)   91.76                80
 06/23/2021   05:29:38   (  -0.02,-137.11) (  -0.86,-140.96)  439.31                80
 06/24/2021   05:11:38   (  -0.01,-137.09) (   0.21,-135.98)  125.46                80
 06/25/2021   17:27:50   (   0.01,-137.05) (   0.76,-140.59)  402.56                80