Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 4 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)
 04/07/2025   17:07:29   ( -75.64, 109.93) 04/07/2025   17:08:08  ( -75.62, 109.90)    2.46                39
 04/07/2025   17:58:14   (  75.60, -82.61) 04/07/2025   17:57:34  (  75.60, -82.52)    2.64                40
 04/10/2025   09:24:13   ( -75.63,-134.15) 04/10/2025   09:24:33  ( -75.65,-134.14)    1.84                20
 04/10/2025   10:14:58   (  75.59,  33.31) 04/10/2025   10:14:00  (  75.57,  33.29)    1.52                58
 04/13/2025   00:50:18   (  75.80, 173.84) 04/13/2025   00:51:30  (  75.70, 174.26)   16.10                72
 04/13/2025   01:40:58   ( -75.63, -18.28) 04/13/2025   01:40:59  ( -75.63, -18.31)    1.09                 1
 04/13/2025   02:31:39   (  75.40, 149.78) 04/13/2025   02:30:27  (  75.50, 148.97)   25.06                72
 04/15/2025   17:07:00   (  75.68, -69.87) 04/15/2025   17:07:55  (  75.69, -69.89)    0.57                55
 04/15/2025   17:57:43   ( -75.65,  97.55) 04/15/2025   17:57:23  ( -75.67,  97.68)    4.01                20
 04/18/2025   09:23:44   (  75.67,  46.05) 04/18/2025   09:24:19  (  75.68,  45.98)    2.18                35
 04/18/2025   10:14:27   ( -75.64,-146.52) 04/18/2025   10:13:47  ( -75.66,-146.45)    2.92                40