Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 10 19.  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)
 10/19/2021   18:43:43   (  -0.05,-137.20) (   0.25,-138.49)  147.59                80
 10/20/2021   18:25:44   (  -0.05,-137.19) (  -0.84,-133.49)  420.99                80
 10/22/2021   06:44:45   (   0.05,-137.18) (  -0.15,-138.10)  104.56                80
 10/23/2021   06:21:26   (   0.04,-137.17) (   0.95,-133.10)  463.54                80
 10/24/2021   18:40:18   (  -0.04,-137.15) (   0.05,-137.66)   57.59                80
 10/27/2021   06:41:19   (   0.03,-137.11) (   0.01,-137.26)   16.67                80
 10/29/2021   18:39:32   (  -0.03,-137.07) (  -0.10,-136.83)   28.27                80
 10/31/2021   06:58:31   (   0.02,-137.04) (  -0.99,-141.41)  499.29                80
 11/01/2021   06:35:13   (   0.02,-137.01) (   0.18,-136.43)   67.45                80