Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 1 1.  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)
 01/02/2021   02:43:01   (   0.01, -75.18) (  -0.54, -77.76)  292.64                80
 01/03/2021   02:19:41   (  -0.00, -75.18) (   0.53, -72.75)  275.72                80
 01/04/2021   14:38:33   (   0.02, -75.20) (   0.49, -77.32)  241.39                80
 01/05/2021   14:20:35   (   0.02, -75.20) (  -0.64, -72.33)  327.41                80
 01/07/2021   02:39:36   (  -0.02, -75.17) (  -0.40, -76.92)  200.21                80
 01/08/2021   02:16:18   (  -0.01, -75.16) (   0.73, -71.94)  368.34                80
 01/09/2021   14:35:10   (  -0.01, -75.19) (   0.28, -76.50)  148.95                80
 01/10/2021   14:17:12   (  -0.01, -75.19) (  -0.85, -71.51)  420.12                80
 01/12/2021   02:36:13   (   0.01, -75.17) (  -0.19, -76.11)  106.78                80
 01/13/2021   02:12:53   (   0.00, -75.17) (   0.89, -71.11)  462.52                80
 01/14/2021   14:31:46   (   0.00, -75.21) (   0.12, -75.67)   53.29                80