Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 12 18.  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)
 12/19/2021   05:07:09   (   0.05,-137.20) (  -0.01,-137.57)   42.56                80
 12/21/2021   16:53:09   (  -0.04,-137.20) (  -0.71,-134.06)  357.15                80
 12/22/2021   05:09:12   (   0.04,-137.19) (  -0.11,-137.93)   84.34                80
 12/24/2021   16:55:02   (  -0.04,-137.19) (  -0.64,-134.38)  319.44                80
 12/25/2021   05:11:16   (   0.03,-137.17) (  -0.21,-138.28)  127.31                80
 12/27/2021   16:56:54   (  -0.03,-137.16) (  -0.55,-134.68)  280.93                80
 12/28/2021   05:13:19   (   0.03,-137.13) (  -0.28,-138.64)  171.38                80
 12/30/2021   16:58:45   (  -0.03,-137.11) (  -0.51,-135.00)  240.92                80
 12/31/2021   05:15:22   (   0.02,-137.08) (  -0.39,-138.99)  217.15                80