Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 7 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/04/2023   07:16:20   (  -0.03, -75.19) (   0.34, -76.81)  184.15                80
 07/05/2023   06:55:18   (  -0.03, -75.19) (  -0.68, -72.36)  323.33                80
 07/06/2023   19:17:47   (   0.03, -75.19) (  -0.53, -77.77)  294.01                80
 07/07/2023   19:02:04   (   0.03, -75.19) (   0.43, -73.31)  214.22                80
 07/09/2023   07:24:26   (  -0.04, -75.21) (   0.73, -78.70)  397.49                80
 07/10/2023   07:03:22   (  -0.04, -75.22) (  -0.24, -74.24)  111.16                80
 07/12/2023   19:10:09   (   0.04, -75.24) (   0.06, -75.20)    4.08                80
 07/15/2023   07:14:08   (  -0.05, -75.28) (   0.13, -76.13)   97.64                80
 07/16/2023   06:53:05   (  -0.06, -75.29) (  -0.84, -71.67)  411.59                80
 07/17/2023   19:15:34   (   0.06, -75.31) (  -0.35, -77.09)  203.53                80