Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 5 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/01/2025   22:03:21   (   0.00,-104.40) (  -0.16,-105.14)   83.88                80
 06/02/2025   21:47:11   (   0.00,-104.40) (   0.87,-100.57)  437.51                80
 06/04/2025   10:08:50   (   0.00,-104.42) (   0.32,-105.76)  152.42                80
 06/05/2025   09:47:21   (  -0.00,-104.42) (  -0.71,-101.18)  368.69                80
 06/06/2025   22:09:10   (   0.00,-104.41) (  -0.45,-106.42)  228.92                80
 06/07/2025   21:53:01   (   0.00,-104.41) (   0.58,-101.85)  292.56                80
 06/09/2025   10:14:40   (  -0.00,-104.44) (   0.61,-107.04)  296.90                80
 06/10/2025   09:53:11   (   0.00,-104.44) (  -0.43,-102.47)  224.05                80
 06/11/2025   22:14:59   (  -0.01,-104.41) (  -0.78,-107.69)  374.52                80
 06/12/2025   21:58:49   (  -0.01,-104.41) (   0.26,-103.12)  146.86                80