Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 5 5.  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   14:34:49   (   0.03, -75.18) (   0.30, -76.46)  145.71                80
 05/06/2021   14:16:50   (   0.03, -75.18) (  -0.81, -71.47)  423.04                80
 05/08/2021   02:35:53   (  -0.02, -75.16) (  -0.21, -76.07)  103.62                80
 05/09/2021   02:12:34   (  -0.02, -75.16) (   0.91, -71.08)  465.50                80
 05/10/2021   14:31:27   (   0.02, -75.19) (   0.14, -75.64)   51.16                80
 05/13/2021   02:32:30   (  -0.02, -75.18) (  -0.04, -75.24)    7.55                80
 05/15/2021   14:30:45   (   0.01, -75.22) (  -0.09, -74.82)   45.64                80
 05/17/2021   02:49:48   (  -0.00, -75.21) (  -0.92, -79.42)  479.54                80
 05/18/2021   02:26:29   (   0.00, -75.22) (   0.19, -74.43)   90.22                80