Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 5 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/23/2020   18:30:21   (   0.01, -75.20) (  -0.03, -75.36)   18.60                80
 05/26/2020   06:35:34   (  -0.01, -75.19) (   0.17, -75.98)   89.10                80
 05/27/2020   06:13:58   (  -0.01, -75.19) (  -0.84, -71.39)  432.86                80
 05/28/2020   18:35:37   (   0.00, -75.20) (  -0.32, -76.62)  162.12                80
 05/29/2020   18:19:21   (   0.00, -75.21) (   0.68, -72.04)  360.35                80
 05/31/2020   06:40:51   (  -0.00, -75.21) (   0.45, -77.24)  230.84                80
 06/01/2020   06:19:15   (  -0.00, -75.22) (  -0.56, -72.66)  291.87                80
 06/02/2020   18:40:54   (   0.00, -75.24) (  -0.60, -77.89)  302.27                80
 06/03/2020   18:24:37   (  -0.00, -75.25) (   0.41, -73.30)  220.89                80
 06/05/2020   06:46:08   (   0.01, -75.26) (   0.72, -78.50)  369.12                80