Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 12 7.  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   04:58:16   (   0.03,-137.21) (   0.18,-136.49)   81.51                80
 12/10/2021   17:15:45   (  -0.03,-137.21) (   0.69,-140.70)  396.95                80
 12/12/2021   16:47:25   (  -0.03,-137.21) (  -0.92,-133.10)  468.32                80
 12/13/2021   05:00:20   (   0.03,-137.21) (   0.11,-136.85)   41.45                80
 12/13/2021   17:17:42   (  -0.03,-137.21) (   0.77,-141.03)  434.06                80
 12/15/2021   16:49:21   (  -0.02,-137.21) (  -0.84,-133.42)  430.90                80
 12/16/2021   05:02:24   (   0.02,-137.20) (   0.02,-137.20)    0.34                80
 12/16/2021   17:19:36   (  -0.02,-137.20) (   0.90,-141.35)  471.87                80
 12/18/2021   16:51:15   (  -0.01,-137.19) (  -0.76,-133.74)  392.40                80
 12/19/2021   05:07:07   (   0.01,-137.18) (  -0.09,-137.56)   42.93                80
 12/21/2021   16:53:09   (  -0.00,-137.15) (  -0.67,-134.06)  352.56                80