Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 5 4.  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)
 05/05/2021   14:34:48   (   0.03, -75.18) (   0.33, -76.46)  145.70                80
 05/06/2021   14:16:50   (   0.03, -75.18) (  -0.78, -71.46)  423.12                80
 05/08/2021   02:35:52   (  -0.02, -75.16) (  -0.23, -76.07)  103.50                80
 05/09/2021   02:12:34   (  -0.02, -75.16) (   0.88, -71.07)  465.64                80
 05/10/2021   14:31:27   (   0.02, -75.19) (   0.10, -75.64)   50.91                80
 05/13/2021   02:32:31   (  -0.02, -75.18) (  -0.01, -75.25)    7.63                80
 05/15/2021   14:30:45   (   0.01, -75.22) (  -0.07, -74.82)   46.18                80
 05/17/2021   02:49:47   (  -0.00, -75.22) (  -0.95, -79.42)  478.95                80
 05/18/2021   02:26:29   (   0.00, -75.23) (   0.17, -74.43)   90.84                80