Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 7 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/09/2023   07:24:25   (  -0.01, -75.20) (   0.75, -78.69)  397.26                80
 07/10/2023   07:03:22   (  -0.01, -75.21) (  -0.21, -74.23)  111.36                80
 07/12/2023   19:10:09   (   0.00, -75.24) (   0.04, -75.20)    5.87                80
 07/15/2023   07:14:07   (   0.01, -75.27) (   0.20, -76.12)   96.89                80
 07/16/2023   06:53:04   (   0.01, -75.28) (  -0.84, -71.67)  412.45                80
 07/17/2023   19:15:32   (  -0.02, -75.30) (  -0.42, -77.07)  201.82                80
 07/18/2023   18:59:50   (  -0.02, -75.32) (   0.61, -72.62)  307.99                80
 07/20/2023   07:22:10   (   0.02, -75.35) (   0.64, -77.99)  301.62                80
 07/21/2023   07:01:08   (   0.02, -75.37) (  -0.40, -73.55)  208.60                80