Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 12 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)
 12/02/2021   02:33:08   (   0.04, -75.18) (   0.04, -75.24)    6.42                80
 12/04/2021   14:31:20   (  -0.03, -75.20) (  -0.11, -74.80)   44.87                80
 12/06/2021   02:50:19   (   0.02, -75.18) (  -0.93, -79.39)  480.26                80
 12/07/2021   02:27:00   (   0.02, -75.18) (   0.18, -74.40)   89.13                80
 12/08/2021   14:45:52   (  -0.01, -75.20) (   0.80, -78.97)  428.22                80
 12/09/2021   14:27:52   (  -0.01, -75.21) (  -0.26, -73.96)  141.80                80
 12/11/2021   02:46:52   (   0.01, -75.21) (  -0.72, -78.56)  381.80                80
 12/12/2021   02:23:33   (   0.01, -75.22) (   0.40, -73.57)  188.73                80
 12/13/2021   14:42:24   (  -0.00, -75.26) (   0.64, -78.13)  326.99                80
 12/14/2021   14:24:24   (  -0.00, -75.28) (  -0.49, -73.14)  243.99                80