Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 12 23.  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)
 12/24/2021   16:52:22   (  -0.04,-137.22) (  -0.67,-134.38)  323.06                80
 12/25/2021   05:11:16   (   0.04,-137.20) (  -0.18,-138.29)  123.30                80
 12/27/2021   16:54:12   (  -0.04,-137.21) (  -0.56,-134.68)  287.34                80
 12/28/2021   05:13:18   (   0.04,-137.19) (  -0.27,-138.64)  164.57                80
 12/30/2021   16:58:43   (  -0.03,-137.19) (  -0.52,-134.99)  250.15                80
 12/31/2021   05:15:20   (   0.03,-137.17) (  -0.37,-138.99)  207.51                80
 01/02/2022   17:00:32   (  -0.02,-137.14) (  -0.40,-135.28)  211.25                80
 01/03/2022   05:17:20   (   0.02,-137.12) (  -0.47,-139.33)  251.99                80
 01/05/2022   17:02:20   (  -0.01,-137.09) (  -0.32,-135.58)  171.59                80