Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 5 27.  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)
 05/28/2021   18:25:16   (   0.04,-137.20) (  -0.76,-133.52)  419.00                80
 05/30/2021   06:44:18   (  -0.03,-137.19) (  -0.22,-138.13)  106.81                80
 05/31/2021   06:20:58   (  -0.03,-137.19) (   0.85,-133.13)  461.95                80
 06/01/2021   18:39:51   (   0.03,-137.20) (   0.15,-137.69)   56.77                80
 06/04/2021   06:40:53   (  -0.02,-137.18) (  -0.06,-137.30)   13.85                80
 06/06/2021   18:39:07   (   0.02,-137.17) (  -0.07,-136.87)   35.36                80
 06/08/2021   06:58:09   (  -0.02,-137.15) (  -0.96,-141.47)  491.31                80
 06/09/2021   06:34:49   (  -0.01,-137.14) (   0.12,-136.46)   76.44                80
 06/10/2021   18:53:41   (   0.01,-137.13) (   0.89,-141.03)  444.49                80