Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 04/07/2021   14:16:45   (   0.04, -75.21) (  -0.78, -71.44)  428.76                80
 04/09/2021   02:35:44   (  -0.04, -75.18) (  -0.24, -76.04)   97.52                80
 04/10/2021   02:12:25   (  -0.04, -75.19) (   0.91, -71.05)  472.17                80
 04/11/2021   14:31:16   (   0.04, -75.23) (   0.10, -75.61)   43.27                80
 04/14/2021   02:29:35   (  -0.04, -75.22) (  -0.03, -75.20)    1.95                80
 04/16/2021   14:30:26   (   0.03, -75.27) (  -0.06, -74.77)   57.44                80
 04/18/2021   02:49:25   (  -0.03, -75.27) (  -0.96, -79.36)  467.12                80
 04/19/2021   02:26:05   (  -0.03, -75.28) (   0.18, -74.37)  103.32                80
 04/20/2021   14:44:57   (   0.02, -75.32) (   0.81, -78.94)  411.31                80