Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 4 26.  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)
 04/26/2021   06:47:16   (  -0.05,-137.19) (  -0.46,-138.91)  196.18                80
 04/27/2021   06:23:59   (  -0.05,-137.18) (   0.71,-133.93)  372.11                80
 04/28/2021   18:42:51   (   0.05,-137.19) (   0.35,-138.48)  147.77                80
 04/29/2021   18:24:53   (   0.04,-137.18) (  -0.76,-133.49)  419.94                80
 05/01/2021   06:43:55   (  -0.04,-137.14) (  -0.25,-138.09)  107.78                80
 05/02/2021   06:20:36   (  -0.03,-137.13) (   0.86,-133.10)  459.45                80
 05/03/2021   18:39:30   (   0.03,-137.12) (   0.13,-137.66)   61.64                80
 05/06/2021   06:40:33   (  -0.02,-137.07) (  -0.09,-137.26)   22.63                80
 05/08/2021   18:38:47   (   0.02,-137.04) (  -0.04,-136.84)   23.34                80