Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 3 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/31/2023   19:01:12   (   0.05, -75.19) (   0.06, -75.08)   12.39                80
 04/03/2023   07:07:51   (  -0.04, -75.22) (   0.15, -76.01)   90.94                80
 04/04/2023   06:46:48   (  -0.04, -75.23) (  -0.86, -71.56)  417.48                80
 04/05/2023   19:11:58   (   0.04, -75.23) (  -0.34, -76.98)  198.95                80
 04/06/2023   18:50:56   (   0.04, -75.25) (   0.67, -72.53)  309.83                80
 04/08/2023   07:15:56   (  -0.04, -75.27) (   0.57, -77.91)  300.48                80
 04/09/2023   06:54:54   (  -0.04, -75.28) (  -0.45, -73.46)  208.32                80
 04/10/2023   19:20:03   (   0.03, -75.29) (  -0.80, -78.87)  407.91                80
 04/11/2023   18:59:01   (   0.03, -75.31) (   0.23, -74.42)  101.03                80