Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 7 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/07/2023   19:02:04   (   0.01, -75.19) (   0.46, -73.31)  214.95                80
 07/09/2023   07:24:25   (  -0.00, -75.20) (   0.76, -78.69)  397.11                80
 07/10/2023   07:03:22   (  -0.01, -75.21) (  -0.20, -74.23)  111.52                80
 07/12/2023   19:07:29   (   0.01, -75.24) (   0.03, -75.20)    5.29                80
 07/15/2023   07:14:07   (   0.00, -75.27) (   0.20, -76.11)   96.79                80
 07/16/2023   06:53:04   (   0.00, -75.28) (  -0.83, -71.67)  412.55                80
 07/17/2023   19:15:32   (  -0.01, -75.30) (  -0.43, -77.07)  201.74                80
 07/18/2023   18:59:50   (  -0.01, -75.32) (   0.61, -72.62)  308.09                80
 07/20/2023   07:22:11   (   0.01, -75.36) (   0.59, -78.00)  301.44                80