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)
 05/27/2021   18:43:14   (   0.04,-137.20) (   0.36,-138.51)  150.73                80
 05/28/2021   18:25:16   (   0.04,-137.19) (  -0.77,-133.53)  417.59                80
 05/30/2021   06:44:17   (  -0.03,-137.17) (  -0.27,-138.12)  109.36                80
 05/31/2021   06:20:59   (  -0.03,-137.16) (   0.86,-133.13)  458.74                80
 06/01/2021   18:39:51   (   0.03,-137.16) (   0.14,-137.69)   60.86                80
 06/04/2021   06:40:54   (  -0.02,-137.12) (  -0.04,-137.30)   19.86                80
 06/06/2021   18:39:06   (   0.02,-137.10) (  -0.03,-136.86)   27.80                80
 06/08/2021   06:58:08   (  -0.02,-137.07) (  -1.00,-141.46)  499.90                80
 06/09/2021   06:34:49   (  -0.01,-137.05) (   0.14,-136.47)   67.21                80