Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 9 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)
 09/14/2025   22:25:12   (   0.09,-104.65) (  -0.63,-107.70)  348.72                80
 09/15/2025   22:09:02   (   0.10,-104.65) (   0.45,-103.14)  172.52                80
 09/17/2025   10:30:41   (  -0.09,-104.66) (   0.72,-108.32)  417.56                80
 09/18/2025   10:09:10   (  -0.10,-104.66) (  -0.30,-103.75)  103.55                80
 09/19/2025   22:30:58   (   0.09,-104.65) (  -0.91,-108.96)  492.93                80
 09/20/2025   22:14:48   (   0.10,-104.65) (   0.17,-104.40)   29.01                80
 09/23/2025   10:17:36   (  -0.09,-104.67) (  -0.04,-105.01)   37.82                80
 09/24/2025   09:56:05   (  -0.10,-104.68) (  -1.06,-100.43)  483.76                80
 09/25/2025   22:17:53   (   0.09,-104.66) (  -0.14,-105.65)  112.63                80
 09/26/2025   22:01:42   (   0.10,-104.67) (   0.89,-101.07)  409.21                80