Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 5 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/21/2025   22:10:29   (   0.00,-104.41) (  -0.62,-107.14)  311.73                80
 05/22/2025   21:54:19   (   0.00,-104.41) (   0.40,-102.57)  209.66                80
 05/24/2025   10:16:00   (  -0.00,-104.42) (   0.74,-107.77)  381.21                80
 05/25/2025   09:54:30   (   0.00,-104.42) (  -0.27,-103.19)  139.53                80
 05/26/2025   22:16:19   (  -0.00,-104.40) (  -0.91,-108.42)  458.45                80
 05/27/2025   22:00:10   (   0.00,-104.40) (   0.11,-103.85)   62.52                80
 05/30/2025   10:03:01   (  -0.01,-104.41) (   0.01,-104.48)    7.67                80
 06/01/2025   22:03:21   (   0.02,-104.40) (  -0.16,-105.14)   84.81                80
 06/02/2025   21:47:11   (   0.02,-104.40) (   0.87,-100.57)  436.75                80
 06/04/2025   10:08:51   (  -0.03,-104.43) (   0.26,-105.77)  152.56                80