Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 12 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)
 12/12/2021   16:44:46   (  -0.05,-137.21) (  -0.95,-133.10)  467.74                80
 12/13/2021   05:00:20   (   0.05,-137.21) (   0.13,-136.85)   40.49                80
 12/13/2021   17:20:22   (  -0.04,-137.21) (   0.75,-141.04)  434.65                80
 12/15/2021   16:49:21   (  -0.04,-137.21) (  -0.85,-133.42)  430.07                80
 12/16/2021   05:05:04   (   0.04,-137.20) (   0.03,-137.21)    1.60                80
 12/16/2021   17:19:38   (  -0.04,-137.20) (   0.83,-141.36)  472.76                80
 12/18/2021   16:51:16   (  -0.03,-137.18) (  -0.75,-133.74)  391.23                80
 12/19/2021   05:07:09   (   0.03,-137.17) (  -0.04,-137.57)   44.59                80
 12/21/2021   16:53:10   (  -0.02,-137.15) (  -0.71,-134.07)  351.13                80
 12/22/2021   05:06:32   (   0.02,-137.14) (  -0.18,-137.92)   89.72                80
 12/24/2021   16:55:03   (  -0.01,-137.10) (  -0.57,-134.37)  309.97                80