Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 9 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/17/2025   11:21:39   (   0.37,  61.36) (  -0.22,  58.86)  286.56                80
 09/18/2025   11:00:09   (   0.41,  61.36) (   0.86,  63.42)  234.75                80
 09/19/2025   23:24:27   (  -0.35,  61.35) (   0.36,  58.25)  353.44                80
 09/20/2025   23:02:57   (  -0.39,  61.35) (  -0.72,  62.81)  166.95                80
 09/22/2025   11:27:24   (   0.33,  61.36) (  -0.55,  57.61)  428.56                80
 09/23/2025   11:05:54   (   0.36,  61.36) (   0.54,  62.17)   92.65                80
 09/24/2025   23:30:11   (  -0.30,  61.34) (   0.68,  57.00)  494.41                80
 09/25/2025   23:08:42   (  -0.33,  61.34) (  -0.41,  61.56)   25.52                80
 09/28/2025   11:14:18   (   0.30,  61.39) (   0.18,  60.93)   52.00                80
 09/29/2025   10:52:48   (   0.34,  61.39) (   1.27,  65.50)  468.19                80