Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 9 16.  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)
 09/16/2021   18:29:09   (  -0.03,-137.20) (  -0.65,-134.33)  326.86                80
 09/18/2021   06:48:11   (   0.03,-137.20) (  -0.34,-138.93)  197.01                80
 09/19/2021   06:24:51   (   0.03,-137.20) (   0.77,-133.93)  372.02                80
 09/20/2021   18:43:42   (  -0.03,-137.19) (   0.24,-138.49)  147.88                80
 09/21/2021   18:25:43   (  -0.03,-137.19) (  -0.87,-133.50)  421.11                80
 09/23/2021   06:44:43   (   0.03,-137.19) (  -0.18,-138.09)  103.06                80
 09/24/2021   06:21:24   (   0.03,-137.18) (   0.93,-133.09)  465.52                80
 09/25/2021   18:40:15   (  -0.03,-137.17) (   0.08,-137.65)   55.44                80
 09/28/2021   06:41:16   (   0.03,-137.14) (  -0.02,-137.25)   12.81                80