Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 4 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)
 04/23/2022   18:47:37   (   0.03, -75.22) (  -0.00, -75.37)   16.95                80
 04/24/2022   18:31:53   (   0.03, -75.22) (   1.01, -70.92)  490.42                80
 04/26/2022   06:54:12   (  -0.02, -75.21) (   0.24, -76.29)  123.31                80
 04/27/2022   06:33:08   (  -0.02, -75.21) (  -0.78, -71.84)  384.49                80
 04/28/2022   18:58:17   (   0.02, -75.22) (  -0.46, -77.25)  231.73                80
 04/29/2022   18:39:53   (   0.02, -75.23) (   0.56, -72.80)  276.69                80
 05/01/2022   07:02:12   (  -0.02, -75.24) (   0.64, -78.19)  335.56                80
 05/02/2022   06:41:09   (  -0.02, -75.25) (  -0.38, -73.74)  172.90                80
 05/03/2022   19:03:37   (   0.02, -75.27) (  -0.84, -79.15)  442.72                80
 05/04/2022   18:47:53   (   0.02, -75.28) (   0.13, -74.69)   66.21                80