Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 8 13.  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)
 08/13/2021   18:32:35   (  -0.02,-137.19) (  -0.46,-135.19)  228.74                80
 08/15/2021   06:48:55   (   0.02,-137.18) (  -0.57,-139.78)  296.79                80
 08/16/2021   06:30:56   (   0.01,-137.17) (   0.53,-134.78)  271.42                80
 08/17/2021   18:47:08   (  -0.01,-137.15) (   0.47,-139.35)  249.56                80
 08/18/2021   18:29:09   (  -0.01,-137.14) (  -0.63,-134.35)  318.10                80
 08/20/2021   06:45:29   (   0.02,-137.11) (  -0.40,-138.94)  209.12                80
 08/21/2021   06:25:49   (   0.03,-137.09) (   0.76,-133.96)  358.25                21
 08/22/2021   18:43:42   (  -0.02,-137.07) (   0.30,-138.51)  163.22                80
 08/23/2021   18:25:42   (  -0.02,-137.06) (  -0.81,-133.51)  404.18                80
 08/25/2021   06:44:43   (   0.02,-137.02) (  -0.23,-138.10)  122.97                80
 08/26/2021   06:21:23   (   0.02,-137.01) (   0.87,-133.10)  444.21                80