Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2025 6 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)
 06/21/2025   09:46:00   (   0.03,-104.73) (  -0.94,-100.46)  487.52                80
 06/22/2025   22:07:48   (  -0.02,-104.73) (  -0.23,-105.68)  108.42                80
 06/23/2025   21:51:38   (  -0.02,-104.73) (   0.82,-101.12)  412.47                80
 06/25/2025   10:13:18   (   0.01,-104.73) (   0.37,-106.30)  179.93                80
 06/26/2025   09:51:48   (   0.00,-104.73) (  -0.67,-101.74)  340.92                80
 06/27/2025   22:13:37   (  -0.00,-104.73) (  -0.49,-106.97)  254.88                80
 06/28/2025   21:57:26   (   0.00,-104.73) (   0.51,-102.39)  266.61                80
 06/30/2025   10:19:06   (  -0.00,-104.74) (   0.63,-107.59)  324.61                80
 07/01/2025   09:57:37   (  -0.00,-104.74) (  -0.42,-103.02)  197.06                80
 07/02/2025   22:19:24   (   0.00,-104.75) (  -0.78,-108.24)  397.97                80
 07/03/2025   22:03:15   (   0.00,-104.75) (   0.28,-103.67)  123.87                80