Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 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)
 04/11/2021   14:31:15   (   0.04, -75.22) (   0.14, -75.60)   43.90                80
 04/14/2021   02:29:35   (  -0.04, -75.21) (  -0.02, -75.21)    2.97                80
 04/16/2021   14:30:26   (   0.04, -75.25) (  -0.07, -74.77)   55.42                80
 04/18/2021   02:49:25   (  -0.04, -75.24) (  -0.95, -79.36)  469.21                80
 04/19/2021   02:26:05   (  -0.03, -75.25) (   0.14, -74.36)  101.02                80
 04/20/2021   14:44:56   (   0.03, -75.29) (   0.85, -78.93)  414.28                80
 04/21/2021   14:26:56   (   0.03, -75.31) (  -0.29, -73.94)  156.41                80
 04/23/2021   02:45:56   (  -0.02, -75.31) (  -0.73, -78.53)  367.25                80
 04/24/2021   02:22:35   (  -0.02, -75.32) (   0.36, -73.53)  203.68                80