Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-A
TLE Epoch: 2021 4 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 04/11/2021   13:19:12   (   0.04, -75.22) (   0.22, -75.95)   83.29                80
 04/12/2021   12:55:52   (   0.04, -75.23) (  -0.91, -70.97)  484.46                80
 04/14/2021   01:17:31   (  -0.04, -75.21) (  -0.15, -75.60)   45.79                80
 04/16/2021   13:13:03   (   0.03, -75.26) (   0.01, -75.23)    3.40                80
 04/19/2021   01:11:23   (  -0.03, -75.25) (   0.05, -74.89)   41.44                80
 04/20/2021   13:30:14   (   0.03, -75.30) (   0.94, -79.49)  477.39                80
 04/21/2021   13:12:14   (   0.02, -75.31) (  -0.14, -74.51)   91.12                80
 04/23/2021   01:31:14   (  -0.02, -75.30) (  -0.86, -79.15)  437.60                80
 04/24/2021   01:07:54   (  -0.02, -75.32) (   0.21, -74.16)  131.23                80