Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 12 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)
 12/13/2021   05:00:20   (   0.05,-137.21) (   0.10,-136.84)   40.75                80
 12/13/2021   17:20:21   (  -0.04,-137.22) (   0.78,-141.03)  433.91                80
 12/15/2021   16:49:22   (  -0.04,-137.21) (  -0.88,-133.43)  430.92                80
 12/16/2021   05:02:24   (   0.04,-137.20) (   0.05,-137.21)    1.95                80
 12/16/2021   17:19:37   (  -0.04,-137.21) (   0.86,-141.35)  471.89                80
 12/18/2021   16:51:16   (  -0.03,-137.19) (  -0.79,-133.75)  392.20                80
 12/19/2021   05:07:08   (   0.03,-137.18) (  -0.07,-137.56)   44.15                80
 12/21/2021   16:53:10   (  -0.02,-137.16) (  -0.68,-134.06)  352.22                80
 12/22/2021   05:09:13   (   0.02,-137.14) (  -0.15,-137.92)   89.08                80
 12/24/2021   16:55:03   (  -0.01,-137.11) (  -0.61,-134.38)  311.19                80
 12/25/2021   05:11:17   (   0.01,-137.09) (  -0.24,-138.28)  135.41                80