Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 9 30.  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)
 09/30/2021   18:39:28   (  -0.04,-137.20) (  -0.14,-136.82)   43.42                80
 10/02/2021   06:55:48   (   0.04,-137.18) (  -0.91,-141.41)  482.74                80
 10/03/2021   06:37:49   (   0.04,-137.17) (   0.21,-136.42)   85.51                80
 10/04/2021   18:54:00   (  -0.04,-137.16) (   0.80,-140.98)  434.55                80
 10/05/2021   18:36:01   (  -0.04,-137.15) (  -0.32,-135.98)  133.39                80
 10/07/2021   06:52:21   (   0.04,-137.12) (  -0.72,-140.58)  393.78                80
 10/08/2021   06:34:22   (   0.04,-137.10) (   0.40,-135.58)  173.68                80
 10/09/2021   18:50:32   (  -0.04,-137.08) (   0.67,-140.13)  347.92                80
 10/10/2021   18:32:33   (  -0.04,-137.06) (  -0.45,-135.13)  218.96                80
 10/12/2021   06:48:53   (   0.03,-137.01) (  -0.58,-139.73)  309.82                80
 10/13/2021   06:30:53   (   0.03,-136.98) (   0.54,-134.73)  256.62                80