Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 9 1.  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)
 09/01/2021   18:39:29   (  -0.03,-137.21) (  -0.09,-136.84)   42.16                80
 09/03/2021   06:55:51   (   0.03,-137.20) (  -0.90,-141.44)  482.45                80
 09/04/2021   06:37:51   (   0.03,-137.20) (   0.21,-136.44)   86.55                80
 09/05/2021   18:54:02   (  -0.04,-137.20) (   0.82,-141.00)  432.80                80
 09/06/2021   18:36:03   (  -0.03,-137.20) (  -0.29,-136.00)  135.96                80
 09/08/2021   06:52:24   (   0.04,-137.18) (  -0.70,-140.61)  389.48                80
 09/09/2021   06:34:25   (   0.03,-137.18) (   0.40,-135.61)  178.95                80
 09/10/2021   18:50:36   (  -0.03,-137.17) (   0.62,-140.17)  341.39                80
 09/11/2021   18:32:37   (  -0.03,-137.15) (  -0.49,-135.17)  226.54                80
 09/13/2021   06:48:57   (   0.03,-137.12) (  -0.56,-139.76)  300.43                80
 09/14/2021   06:30:57   (   0.03,-137.11) (   0.55,-134.76)  266.89                80