Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 9 5.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 09/07/2025   01:22:05   (  76.22, 168.28) 09/07/2025   01:22:49  (  76.23, 168.31)    1.78                44
 09/07/2025   02:12:47   ( -76.15, -24.15) 09/07/2025   02:12:18  ( -76.16, -24.31)    4.19                29
 09/09/2025   17:38:45   (  76.25, -75.92) 09/09/2025   17:39:18  (  76.23, -75.83)    3.12                33
 09/09/2025   18:29:27   ( -76.17,  91.67) 09/09/2025   18:28:46  ( -76.20,  91.72)    3.31                41
 09/12/2025   09:55:24   (  76.24,  40.02) 09/12/2025   09:55:46  (  76.24,  40.11)    2.43                22
 09/12/2025   10:46:06   ( -76.16,-152.37) 09/12/2025   10:45:15  ( -76.17,-152.48)    3.13                51
 09/15/2025   02:12:03   (  76.24, 155.93) 09/15/2025   02:12:14  (  76.23, 155.97)    1.01                11
 09/15/2025   03:02:46   ( -76.20, -36.61) 09/15/2025   03:01:42  ( -76.21, -36.47)    3.94                64
 09/17/2025   17:38:01   ( -76.49, 103.58) 09/17/2025   17:39:12  ( -76.37, 104.65)   31.21                71
 09/17/2025   18:28:41   (  76.25, -88.18) 09/17/2025   18:28:40  (  76.25, -88.11)    2.06                 1