Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 6 11.  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)
 06/11/2021   17:17:35   (   0.04,-137.20) (   0.14,-137.76)   63.14                80
 06/14/2021   05:15:55   (  -0.04,-137.20) (  -0.08,-137.42)   25.22                80
 06/16/2021   17:16:47   (   0.03,-137.18) (  -0.01,-137.04)   15.94                80
 06/19/2021   05:15:07   (  -0.03,-137.16) (   0.07,-136.70)   52.34                80
 06/20/2021   17:31:18   (   0.03,-137.14) (   0.96,-141.30)  473.92                80
 06/21/2021   17:13:19   (   0.02,-137.13) (  -0.17,-136.33)   91.49                80
 06/23/2021   05:29:38   (  -0.02,-137.10) (  -0.88,-140.96)  439.62                80
 06/24/2021   05:11:39   (  -0.01,-137.08) (   0.24,-135.99)  125.12                80