Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 5 31.  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)
 05/31/2021   06:23:39   (  -0.04,-137.18) (   0.87,-133.13)  461.53                80
 06/01/2021   18:39:51   (   0.03,-137.19) (   0.13,-137.69)   57.45                80
 06/04/2021   06:40:54   (  -0.03,-137.16) (  -0.04,-137.30)   15.64                80
 06/06/2021   18:39:07   (   0.03,-137.15) (  -0.03,-136.86)   33.22                80
 06/08/2021   06:55:28   (  -0.02,-137.12) (  -1.00,-141.46)  493.99                80
 06/09/2021   06:34:49   (  -0.02,-137.11) (   0.14,-136.47)   73.55                80
 06/10/2021   18:53:42   (   0.02,-137.10) (   0.87,-141.03)  447.56                80
 06/11/2021   18:35:42   (   0.01,-137.08) (  -0.21,-136.03)  119.46                80
 06/13/2021   06:54:44   (  -0.01,-137.04) (  -0.81,-140.62)  409.19                80