Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 3 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)
 03/09/2021   14:14:21   (   0.02, -75.21) (  -0.80, -71.48)  425.27                80
 03/11/2021   02:36:00   (  -0.03, -75.18) (  -0.22, -76.07)  101.18                80
 03/12/2021   02:12:41   (  -0.03, -75.18) (   0.91, -71.08)  468.52                80
 03/13/2021   14:31:32   (   0.03, -75.23) (   0.12, -75.64)   46.54                80
 03/16/2021   02:32:31   (  -0.03, -75.22) (  -0.06, -75.23)    3.46                80
 03/18/2021   14:30:43   (   0.03, -75.29) (  -0.10, -74.81)   55.11                80
 03/20/2021   02:49:42   (  -0.02, -75.28) (  -0.97, -79.39)  469.18                80
 03/21/2021   02:26:22   (  -0.02, -75.29) (   0.17, -74.40)  101.53                80
 03/22/2021   14:45:15   (   0.02, -75.34) (   0.80, -78.97)  412.64                80