Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 11.  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   (   0.05, -75.21) (   0.12, -75.60)   43.98                80
 04/14/2021   02:31:50   (  -0.05, -75.20) (  -0.05, -75.20)    0.74                56
 04/16/2021   14:30:25   (   0.05, -75.24) (  -0.03, -74.76)   54.54                80
 04/18/2021   02:49:24   (  -0.04, -75.23) (  -0.99, -79.35)  470.33                80
 04/19/2021   02:26:05   (  -0.04, -75.24) (   0.16, -74.37)   99.67                80
 04/20/2021   14:44:56   (   0.04, -75.28) (   0.83, -78.93)  415.96                80
 04/21/2021   14:26:56   (   0.03, -75.29) (  -0.26, -73.93)  154.56                80
 04/23/2021   02:45:55   (  -0.03, -75.29) (  -0.77, -78.53)  369.24                80
 04/24/2021   02:22:36   (  -0.03, -75.30) (   0.38, -73.54)  201.52                80