Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 8 29.  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)
 08/30/2021   06:41:18   (   0.03,-137.19) (   0.03,-137.28)   10.46                80
 09/01/2021   18:39:29   (  -0.02,-137.18) (  -0.11,-136.84)   38.56                80
 09/03/2021   06:55:50   (   0.03,-137.15) (  -0.94,-141.43)  488.18                80
 09/04/2021   06:37:50   (   0.03,-137.14) (   0.17,-136.43)   79.58                80
 09/05/2021   18:54:02   (  -0.03,-137.12) (   0.86,-140.99)  441.29                80
 09/06/2021   18:36:02   (  -0.03,-137.11) (  -0.25,-135.99)  126.28                80
 09/08/2021   06:52:23   (   0.03,-137.07) (  -0.74,-140.60)  401.30                80
 09/09/2021   06:34:24   (   0.03,-137.05) (   0.37,-135.60)  165.85                80
 09/10/2021   18:50:35   (  -0.03,-137.03) (   0.65,-140.16)  356.10                80
 09/11/2021   18:32:36   (  -0.02,-137.01) (  -0.45,-135.16)  210.56                80