Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 8 12.  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)
 08/13/2025   23:42:47   ( -76.13,  12.77) 08/13/2025   23:43:54  ( -76.12,  12.68)    2.91                67
 08/14/2025   00:33:32   (  76.09,-179.76) 08/14/2025   00:33:20  (  76.10,-179.73)    1.69                12
 08/14/2025   01:24:04   ( -75.57, -10.64) 08/14/2025   01:22:58  ( -75.59, -13.65)   83.49                66
 08/16/2025   15:59:28   ( -76.15, 128.63) 08/16/2025   16:00:23  ( -76.16, 128.68)    1.96                55
 08/16/2025   16:50:13   (  76.10, -63.91) 08/16/2025   16:49:50  (  76.09, -63.89)    1.46                23
 08/19/2025   08:16:09   ( -76.16,-115.53) 08/19/2025   08:16:53  ( -76.13,-115.52)    3.33                44
 08/19/2025   09:06:54   (  76.12,  51.93) 08/19/2025   09:06:19  (  76.11,  52.05)    3.29                35
 08/22/2025   00:32:48   ( -76.14,   0.46) 08/22/2025   00:33:21  ( -76.14,   0.37)    2.42                33
 08/22/2025   01:23:33   (  76.10, 167.92) 08/22/2025   01:22:47  (  76.11, 167.94)    1.55                46
 08/24/2025   16:49:29   ( -76.16, 116.28) 08/24/2025   16:49:49  ( -76.17, 116.38)    2.83                20