Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 12 8.  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)
 12/10/2021   04:58:17   (   0.04,-137.21) (   0.23,-136.50)   81.31                80
 12/10/2021   17:18:25   (  -0.04,-137.21) (   0.70,-140.70)  396.92                80
 12/12/2021   16:47:25   (  -0.04,-137.22) (  -0.91,-133.09)  468.44                80
 12/13/2021   05:00:20   (   0.04,-137.21) (   0.10,-136.84)   41.45                80
 12/13/2021   17:17:42   (  -0.04,-137.22) (   0.78,-141.03)  433.86                80
 12/15/2021   16:49:21   (  -0.04,-137.21) (  -0.82,-133.42)  431.17                80
 12/16/2021   05:02:24   (   0.03,-137.21) (   0.06,-137.21)    2.88                80
 12/16/2021   17:19:37   (  -0.03,-137.21) (   0.86,-141.35)  471.57                80
 12/18/2021   16:51:16   (  -0.02,-137.20) (  -0.79,-133.75)  392.75                80
 12/19/2021   05:07:08   (   0.02,-137.19) (  -0.06,-137.56)   42.77                80
 12/21/2021   16:53:10   (  -0.01,-137.16) (  -0.69,-134.06)  353.08                80
 12/22/2021   05:09:13   (   0.01,-137.15) (  -0.14,-137.93)   87.47                80