Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 8 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)
 08/08/2021   18:36:01   (  -0.01,-137.20) (  -0.28,-136.02)  134.78                80
 08/10/2021   06:52:21   (   0.02,-137.20) (  -0.75,-140.62)  389.73                80
 08/11/2021   06:34:22   (   0.02,-137.20) (   0.35,-135.62)  179.28                80
 08/12/2021   18:50:34   (  -0.02,-137.20) (   0.66,-140.18)  340.33                80
 08/13/2021   18:32:35   (  -0.02,-137.19) (  -0.44,-135.18)  228.41                80
 08/15/2021   06:48:56   (   0.02,-137.17) (  -0.53,-139.79)  297.13                80
 08/16/2021   06:30:56   (   0.02,-137.16) (   0.57,-134.79)  271.03                80
 08/17/2021   18:47:08   (  -0.02,-137.15) (   0.49,-139.34)  250.14                80
 08/18/2021   18:29:09   (  -0.02,-137.14) (  -0.67,-134.36)  317.38                80
 08/20/2021   06:48:08   (   0.01,-137.10) (  -0.42,-138.94)  209.51                80
 08/21/2021   06:24:50   (   0.01,-137.09) (   0.74,-133.95)  357.97                80