Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 10 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 10/08/2021   06:34:22   (   0.05,-137.21) (   0.40,-135.59)  185.33                80
 10/09/2021   18:50:35   (  -0.05,-137.21) (   0.59,-140.15)  335.10                80
 10/10/2021   18:32:35   (  -0.04,-137.20) (  -0.50,-135.15)  233.14                80
 10/12/2021   06:48:57   (   0.04,-137.18) (  -0.51,-139.75)  292.70                80
 10/13/2021   06:30:57   (   0.04,-137.17) (   0.58,-134.76)  275.09                80
 10/14/2021   18:47:08   (  -0.03,-137.15) (   0.48,-139.31)  246.64                80
 10/15/2021   18:29:10   (  -0.03,-137.14) (  -0.67,-134.32)  321.04                80
 10/17/2021   06:48:10   (   0.03,-137.12) (  -0.39,-138.91)  205.20                80
 10/18/2021   06:27:32   (   0.03,-137.10) (   0.76,-133.93)  362.36                80
 10/19/2021   18:43:43   (  -0.03,-137.08) (   0.31,-138.48)  159.84                80
 10/20/2021   18:25:45   (  -0.03,-137.07) (  -0.84,-133.49)  407.45                80