Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 7 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/21/2025   10:23:26   (  -0.01,-104.72) (   0.73,-108.09)  383.83                80
 07/22/2025   10:01:55   (  -0.01,-104.72) (  -0.28,-103.51)  137.28                80
 07/23/2025   22:23:43   (   0.02,-104.72) (  -0.88,-108.73)  457.75                80
 07/24/2025   22:07:32   (   0.02,-104.72) (   0.13,-104.16)   63.82                80
 07/27/2025   10:10:22   (  -0.02,-104.72) (  -0.01,-104.78)    6.23                80
 07/29/2025   22:10:39   (   0.02,-104.74) (  -0.14,-105.43)   78.42                80
 07/30/2025   21:54:28   (   0.02,-104.75) (   0.88,-100.85)  443.73                80
 08/01/2025   10:16:08   (  -0.02,-104.75) (   0.30,-106.04)  147.49                80
 08/02/2025   09:54:38   (  -0.02,-104.76) (  -0.77,-101.47)  374.34                80