Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 10 18.  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)
 10/18/2021   06:24:52   (   0.05,-137.20) (   0.77,-133.93)  372.22                80
 10/19/2021   18:43:44   (  -0.05,-137.20) (   0.22,-138.50)  147.62                80
 10/20/2021   18:25:44   (  -0.05,-137.19) (  -0.87,-133.50)  421.02                80
 10/22/2021   06:44:45   (   0.05,-137.18) (  -0.18,-138.09)  104.24                80
 10/23/2021   06:21:26   (   0.04,-137.17) (   0.98,-133.11)  463.95                80
 10/24/2021   18:40:18   (  -0.04,-137.16) (   0.08,-137.66)   57.25                80
 10/27/2021   06:41:18   (   0.03,-137.12) (  -0.02,-137.25)   16.20                80
 10/29/2021   18:39:31   (  -0.03,-137.08) (  -0.08,-136.82)   28.76                80
 10/31/2021   06:58:31   (   0.02,-137.04) (  -0.95,-141.42)  498.36                80