Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 6 20.  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)
 06/21/2025   12:41:36   (  75.92,  -2.61) 06/21/2025   12:42:20  (  75.91,  -2.66)    2.28                44
 06/21/2025   13:32:19   ( -75.85, 164.95) 06/21/2025   13:31:48  ( -75.88, 164.90)    3.36                31
 06/24/2025   04:58:17   (  75.94, 113.22) 06/24/2025   04:58:50  (  75.92, 113.27)    2.78                33
 06/24/2025   05:49:00   ( -75.87, -79.21) 06/24/2025   05:48:19  ( -75.85, -79.31)    3.50                41
 06/26/2025   21:14:57   (  75.92,-130.80) 06/26/2025   21:15:20  (  75.93,-130.84)    1.08                23
 06/26/2025   22:05:41   ( -75.89,  36.62) 06/26/2025   22:04:48  ( -75.91,  36.74)    3.49                53
 06/29/2025   13:31:38   (  75.95, -15.00) 06/29/2025   13:31:50  (  75.91, -14.99)    4.15                12
 06/29/2025   14:22:21   ( -75.87, 152.59) 06/29/2025   14:21:18  ( -75.90, 152.59)    2.83                63
 07/02/2025   04:57:38   ( -76.20, -67.29) 07/02/2025   04:58:49  ( -76.12, -66.13)   32.11                71
 07/02/2025   05:48:17   (  75.94, 100.95) 07/02/2025   05:48:18  (  75.94, 100.97)    0.44                 1