Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 8 17.  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)
 08/19/2025   08:16:08   ( -76.15,-115.50) 08/19/2025   08:16:52  ( -76.15,-115.49)    1.08                44
 08/19/2025   09:06:53   (  76.11,  51.98) 08/19/2025   09:06:19  (  76.08,  51.95)    3.39                34
 08/22/2025   00:32:48   ( -76.13,   0.49) 08/22/2025   00:33:21  ( -76.16,   0.43)    3.33                33
 08/22/2025   01:23:33   (  76.09, 167.96) 08/22/2025   01:22:48  (  76.09, 167.85)    2.86                45
 08/24/2025   16:49:29   ( -76.16, 116.31) 08/24/2025   16:49:50  ( -76.15, 116.30)    0.20                21
 08/24/2025   17:40:14   (  76.11, -76.23) 08/24/2025   17:39:16  (  76.13, -76.13)    3.37                58
 08/27/2025   08:15:37   (  76.65,  62.98) 08/27/2025   08:16:43  (  76.54,  65.83)   74.48                66
 08/27/2025   09:06:09   ( -76.14,-127.73) 08/27/2025   09:06:19  ( -76.14,-127.86)    3.59                10
 08/27/2025   09:56:54   (  76.10,  39.72) 08/27/2025   09:55:45  (  76.11,  39.70)    1.44                69
 08/30/2025   00:32:06   (  76.20,-179.38) 08/30/2025   00:33:17  (  76.22,-179.35)    2.08                71
 08/30/2025   01:22:49   ( -76.17, -11.95) 08/30/2025   01:22:46  ( -76.15, -11.92)    2.11                 3