Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-A
TLE Epoch: 2021 5 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)
 05/10/2021   13:19:07   (   0.04, -75.20) (   0.33, -76.63)  162.48                80
 05/11/2021   12:55:46   (   0.04, -75.22) (  -0.72, -71.64)  406.35                80
 05/13/2021   01:17:28   (  -0.04, -75.24) (  -0.26, -76.29)  119.52                80
 05/14/2021   00:54:08   (  -0.03, -75.26) (   0.85, -71.32)  449.48                80
 05/15/2021   13:15:40   (   0.03, -75.30) (   0.17, -75.92)   70.80                80
 05/16/2021   12:52:20   (   0.02, -75.32) (  -0.94, -70.94)  498.30                80
 05/18/2021   01:14:00   (  -0.02, -75.35) (  -0.09, -75.58)   27.11                80
 05/20/2021   13:09:33   (   0.01, -75.42) (  -0.05, -75.22)   23.29                80
 05/23/2021   01:07:54   (  -0.01, -75.48) (   0.14, -74.88)   68.93                80