Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 9.  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)
 04/10/2021   02:12:24   (  -0.04, -75.18) (   0.90, -71.04)  472.09                80
 04/11/2021   14:31:16   (   0.04, -75.22) (   0.11, -75.61)   43.82                80
 04/14/2021   02:29:35   (  -0.04, -75.21) (  -0.04, -75.20)    1.02                80
 04/16/2021   14:30:25   (   0.04, -75.26) (  -0.04, -74.76)   55.81                80
 04/18/2021   02:49:25   (  -0.04, -75.25) (  -0.98, -79.36)  468.92                80
 04/19/2021   02:26:05   (  -0.03, -75.26) (   0.17, -74.37)  101.31                80
 04/20/2021   14:44:56   (   0.03, -75.30) (   0.82, -78.93)  413.80                80
 04/21/2021   14:26:56   (   0.03, -75.31) (  -0.27, -73.93)  156.93                80
 04/23/2021   02:45:55   (  -0.02, -75.31) (  -0.76, -78.53)  366.76                80