Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 5 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/21/2022   18:35:00   (   0.01, -75.20) (   0.84, -71.42)  430.13                80
 05/23/2022   06:57:19   (  -0.00, -75.20) (   0.37, -76.80)  182.88                80
 05/24/2022   06:36:16   (  -0.01, -75.21) (  -0.67, -72.36)  325.51                80
 05/25/2022   19:01:22   (   0.00, -75.22) (  -0.59, -77.76)  289.57                80
 05/26/2022   18:40:18   (   0.01, -75.24) (   0.46, -73.31)  219.49                80
 05/28/2022   07:05:18   (  -0.00, -75.25) (   0.75, -78.69)  391.95                80
 05/29/2022   06:44:13   (  -0.01, -75.26) (  -0.24, -74.24)  117.13                80
 05/30/2022   19:06:40   (   0.01, -75.28) (  -0.95, -79.65)  497.37                80
 05/31/2022   18:50:56   (   0.01, -75.30) (   0.04, -75.20)   12.19                80
 06/03/2022   06:54:51   (  -0.01, -75.34) (   0.18, -76.12)   88.75                80