Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 2 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)
 02/23/2020   18:34:59   (  -0.07, -75.16) (  -0.40, -76.67)  171.93                80
 02/24/2020   18:16:03   (  -0.07, -75.16) (   0.64, -72.09)  349.79                80
 02/26/2020   06:40:14   (   0.07, -75.15) (   0.53, -77.29)  243.08                80
 02/27/2020   06:18:37   (   0.07, -75.16) (  -0.45, -72.70)  278.93                80
 02/28/2020   18:40:17   (  -0.07, -75.17) (  -0.67, -77.95)  315.67                80
 02/29/2020   18:24:01   (  -0.07, -75.18) (   0.31, -73.36)  206.71                80
 03/02/2020   06:45:31   (   0.08, -75.18) (   0.86, -78.55)  385.35                80
 03/03/2020   06:23:56   (   0.08, -75.19) (  -0.18, -73.98)  137.04                80
 03/04/2020   18:45:35   (  -0.08, -75.20) (  -0.99, -79.21)  457.16                80
 03/05/2020   18:29:20   (  -0.09, -75.21) (   0.05, -74.64)   65.48                80