Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 12 9.  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,-137.20) (   0.19,-136.49)   81.15                80
 12/10/2021   17:18:25   (  -0.04,-137.21) (   0.68,-140.71)  396.93                80
 12/12/2021   16:47:25   (  -0.04,-137.21) (  -0.93,-133.10)  468.30                80
 12/13/2021   05:00:20   (   0.04,-137.21) (   0.12,-136.85)   41.06                80
 12/13/2021   17:17:42   (  -0.04,-137.21) (   0.76,-141.03)  434.07                80
 12/15/2021   16:49:21   (  -0.04,-137.21) (  -0.84,-133.42)  430.80                80
 12/16/2021   05:05:04   (   0.03,-137.20) (   0.02,-137.20)    1.58                80
 12/16/2021   17:19:37   (  -0.03,-137.20) (   0.84,-141.36)  472.00                80
 12/18/2021   16:51:16   (  -0.02,-137.19) (  -0.75,-133.74)  392.16                80
 12/19/2021   05:07:08   (   0.02,-137.18) (  -0.04,-137.57)   43.58                80
 12/21/2021   16:53:10   (  -0.01,-137.16) (  -0.70,-134.07)  352.28                80
 12/22/2021   05:09:12   (   0.01,-137.14) (  -0.18,-137.92)   88.45                80