Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 5 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)
 05/01/2021   14:20:12   (   0.04, -75.21) (  -0.62, -72.29)  332.47                80
 05/03/2021   02:39:15   (  -0.03, -75.18) (  -0.39, -76.90)  194.46                80
 05/04/2021   02:15:56   (  -0.03, -75.19) (   0.72, -71.90)  374.91                80
 05/05/2021   14:34:48   (   0.03, -75.23) (   0.33, -76.46)  140.46                80
 05/06/2021   14:16:51   (   0.03, -75.24) (  -0.84, -71.48)  429.73                80
 05/08/2021   02:35:52   (  -0.02, -75.24) (  -0.23, -76.07)   95.28                80
 05/09/2021   02:12:34   (  -0.02, -75.25) (   0.88, -71.07)  475.21                80
 05/10/2021   14:31:27   (   0.02, -75.30) (   0.10, -75.64)   38.84                80
 05/13/2021   02:29:51   (  -0.02, -75.32) (  -0.00, -75.25)    7.93                80