Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 6 10.  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)
 06/11/2021   02:30:09   (   0.03, -75.23) (   0.03, -75.28)    4.73                80
 06/13/2021   14:28:22   (  -0.04, -75.26) (  -0.10, -74.84)   46.98                80
 06/15/2021   02:50:03   (   0.04, -75.26) (  -0.92, -79.43)  476.95                80
 06/16/2021   02:26:45   (   0.05, -75.26) (   0.22, -74.45)   92.80                80
 06/17/2021   14:48:17   (  -0.05, -75.29) (   0.79, -79.01)  424.08                80
 06/18/2021   14:24:58   (  -0.05, -75.30) (  -0.35, -74.02)  146.06                80
 06/20/2021   02:46:40   (   0.05, -75.31) (  -0.66, -78.62)  376.49                80
 06/21/2021   02:23:20   (   0.05, -75.32) (   0.42, -73.62)  193.91                80
 06/22/2021   14:44:52   (  -0.04, -75.35) (   0.60, -78.18)  322.31                80
 06/23/2021   14:21:34   (  -0.05, -75.37) (  -0.55, -73.19)  248.07                80