Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 7 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/19/2025   22:01:46   (   0.02,-104.72) (   0.44,-102.90)  208.71                80
 07/21/2025   10:23:26   (  -0.01,-104.72) (   0.75,-108.08)  383.79                80
 07/22/2025   10:01:55   (  -0.01,-104.72) (  -0.26,-103.51)  137.35                80
 07/23/2025   22:23:42   (   0.01,-104.72) (  -0.91,-108.73)  457.79                80
 07/24/2025   22:07:33   (   0.01,-104.72) (   0.16,-104.17)   63.76                80
 07/27/2025   10:10:22   (  -0.01,-104.72) (   0.01,-104.78)    6.39                80
 07/29/2025   22:10:39   (   0.01,-104.74) (  -0.15,-105.42)   78.52                80
 07/30/2025   21:54:29   (   0.01,-104.74) (   0.92,-100.86)  443.61                80
 08/01/2025   10:16:08   (  -0.01,-104.75) (   0.26,-106.05)  147.46                80
 08/02/2025   09:54:38   (  -0.01,-104.75) (  -0.75,-101.47)  374.33                80