Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 7 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/18/2025   22:17:56   (   0.02,-104.72) (  -0.62,-107.46)  312.81                80
 07/19/2025   22:01:46   (   0.01,-104.72) (   0.45,-102.90)  208.64                80
 07/21/2025   10:23:26   (  -0.01,-104.72) (   0.74,-108.09)  383.62                80
 07/22/2025   10:01:55   (  -0.01,-104.72) (  -0.27,-103.51)  137.53                80
 07/23/2025   22:23:43   (   0.01,-104.72) (  -0.90,-108.73)  457.76                80
 07/24/2025   22:07:32   (   0.01,-104.72) (   0.11,-104.15)   63.83                80
 07/27/2025   10:10:22   (  -0.01,-104.73) (   0.01,-104.78)    6.02                80
 07/29/2025   22:10:39   (   0.01,-104.74) (  -0.15,-105.43)   78.48                80
 07/30/2025   21:54:29   (   0.01,-104.74) (   0.92,-100.86)  443.66                80
 08/01/2025   10:16:09   (  -0.01,-104.75) (   0.26,-106.05)  147.22                80