Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 5 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)
 05/24/2023   19:08:07   (   0.03, -75.18) (  -0.14, -76.03)   96.37                80
 05/25/2023   18:52:23   (   0.03, -75.19) (   0.83, -71.57)  411.99                80
 05/27/2023   07:12:02   (  -0.03, -75.19) (   0.37, -76.94)  199.43                80
 05/28/2023   06:56:19   (  -0.03, -75.20) (  -0.66, -72.49)  309.38                80
 05/29/2023   19:16:06   (   0.03, -75.20) (  -0.59, -77.89)  306.43                80
 05/30/2023   19:00:23   (   0.03, -75.21) (   0.45, -73.44)  202.74                80
 06/01/2023   07:20:02   (  -0.04, -75.23) (   0.75, -78.81)  407.79                80
 06/02/2023   07:04:17   (  -0.04, -75.24) (  -0.23, -74.35)  101.44                80
 06/04/2023   19:08:21   (   0.05, -75.26) (   0.05, -75.30)    4.91                80