Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 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)
 03/20/2020   18:42:35   (  -0.04, -75.19) (  -0.76, -78.46)  372.73                80
 03/21/2020   18:26:19   (  -0.04, -75.20) (   0.23, -73.88)  149.43                80
 03/23/2020   06:47:50   (   0.04, -75.19) (   0.90, -79.08)  443.83                80
 03/24/2020   06:26:13   (   0.04, -75.19) (  -0.09, -74.50)   78.65                80
 03/26/2020   18:31:37   (  -0.04, -75.23) (  -0.00, -75.16)    8.69                80
 03/29/2020   06:34:12   (   0.04, -75.24) (   0.15, -75.78)   60.82                80
 03/30/2020   06:12:37   (   0.04, -75.26) (  -0.89, -71.21)  462.14                80
 03/31/2020   18:34:15   (  -0.04, -75.29) (  -0.29, -76.43)  130.38                80
 04/01/2020   18:17:58   (  -0.04, -75.30) (   0.70, -71.85)  392.90                80