Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 6 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/14/2025   11:08:48   (   0.25,  61.31) (  -0.31,  58.85)  280.74                80
 06/15/2025   10:52:39   (   0.24,  61.31) (   0.73,  63.42)  241.35                80
 06/16/2025   23:11:38   (  -0.26,  61.34) (   0.45,  58.23)  354.80                80
 06/17/2025   22:55:29   (  -0.25,  61.34) (  -0.59,  62.80)  167.01                80
 06/19/2025   11:14:37   (   0.28,  61.29) (  -0.59,  57.57)  424.74                80
 06/20/2025   10:58:28   (   0.27,  61.29) (   0.45,  62.14)   96.91                80
 06/21/2025   23:17:28   (  -0.30,  61.33) (   0.68,  56.94)  500.00                80
 06/22/2025   23:01:17   (  -0.29,  61.33) (  -0.31,  61.52)   21.02                80
 06/25/2025   11:01:36   (   0.31,  61.31) (   0.19,  60.86)   51.76                80
 06/26/2025   10:45:27   (   0.30,  61.32) (   1.24,  65.43)  468.98                80