Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 5 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)
 05/26/2021   06:27:02   (  -0.05,-137.19) (   0.65,-133.95)  368.31                80
 05/27/2021   18:43:14   (   0.04,-137.20) (   0.36,-138.52)  150.75                80
 05/28/2021   18:25:16   (   0.04,-137.19) (  -0.78,-133.53)  417.57                80
 05/30/2021   06:44:17   (  -0.03,-137.17) (  -0.27,-138.12)  109.22                80
 05/31/2021   06:20:59   (  -0.03,-137.16) (   0.87,-133.13)  458.88                80
 06/01/2021   18:39:51   (   0.03,-137.16) (   0.14,-137.69)   60.82                80
 06/04/2021   06:40:54   (  -0.02,-137.12) (  -0.04,-137.30)   19.73                80
 06/06/2021   18:39:07   (   0.02,-137.11) (  -0.03,-136.86)   27.93                80
 06/08/2021   06:58:08   (  -0.02,-137.07) (  -1.00,-141.46)  499.60                80