Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 7 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/13/2025   22:12:09   (   0.01,-104.71) (  -0.32,-106.20)  169.47                80
 07/14/2025   21:56:00   (   0.01,-104.71) (   0.74,-101.63)  352.05                80
 07/16/2025   10:17:39   (  -0.01,-104.72) (   0.46,-106.82)  239.42                80
 07/17/2025   09:56:08   (  -0.01,-104.72) (  -0.55,-102.24)  281.92                80
 07/18/2025   22:17:56   (   0.01,-104.71) (  -0.63,-107.46)  313.86                80
 07/19/2025   22:01:46   (   0.00,-104.71) (   0.44,-102.90)  207.47                80
 07/21/2025   10:23:26   (  -0.00,-104.71) (   0.75,-108.09)  384.20                80
 07/22/2025   10:01:55   (   0.00,-104.71) (  -0.25,-103.51)  136.80                80
 07/23/2025   22:23:42   (  -0.00,-104.70) (  -0.91,-108.73)  459.62                80
 07/24/2025   22:07:32   (  -0.01,-104.70) (   0.10,-104.15)   61.78                80
 07/27/2025   10:10:22   (   0.00,-104.71) (   0.03,-104.78)    7.63                80