Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/20/2020   06:14:51   (  -0.02, -75.17) (  -0.78, -71.70)  394.64                80
 04/21/2020   18:36:30   (   0.01, -75.18) (  -0.40, -76.93)  199.27                80
 04/22/2020   18:20:14   (   0.01, -75.19) (   0.65, -72.36)  323.07                80
 04/24/2020   06:41:45   (  -0.01, -75.19) (   0.54, -77.55)  269.61                80
 04/25/2020   06:20:09   (  -0.01, -75.19) (  -0.52, -72.97)  252.72                80
 04/26/2020   18:41:47   (   0.01, -75.21) (  -0.66, -78.20)  340.89                80
 04/27/2020   18:25:32   (   0.01, -75.22) (   0.39, -73.63)  181.77                80
 04/29/2020   06:47:02   (  -0.01, -75.22) (   0.79, -78.82)  410.21                80
 04/30/2020   06:25:26   (  -0.01, -75.23) (  -0.20, -74.24)  112.47                80
 05/01/2020   18:47:05   (   0.00, -75.25) (  -0.92, -79.47)  480.87                80
 05/02/2020   18:30:49   (   0.00, -75.26) (   0.08, -74.89)   42.30                80