Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 8 10.  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)
 08/11/2025   07:26:11   ( -76.33,-103.86) 08/11/2025   07:27:22  ( -76.23,-102.85)   28.96                71
 08/11/2025   08:16:51   (  76.07,  64.42) 08/11/2025   08:16:51  (  76.07,  64.28)    3.82                 0
 08/11/2025   09:07:33   ( -76.00,-128.01) 08/11/2025   09:06:19  ( -76.04,-128.17)    6.73                74
 08/13/2025   23:42:48   ( -76.16,  12.67) 08/13/2025   23:43:54  ( -76.14,  12.74)    3.08                66
 08/14/2025   00:33:32   (  76.08,-179.71) 08/14/2025   00:33:21  (  76.07,-179.83)    3.41                11
 08/14/2025   01:24:04   ( -75.55, -10.58) 08/14/2025   01:22:58  ( -75.61, -13.60)   83.73                66
 08/16/2025   15:59:28   ( -76.13, 128.69) 08/16/2025   16:00:24  ( -76.13, 128.58)    2.90                56
 08/16/2025   16:50:13   (  76.09, -63.85) 08/16/2025   16:49:50  (  76.11, -63.84)    1.97                23
 08/19/2025   08:16:08   ( -76.15,-115.47) 08/19/2025   08:16:52  ( -76.15,-115.47)    0.33                44
 08/19/2025   09:06:53   (  76.11,  51.99) 08/19/2025   09:06:18  (  76.12,  52.09)    3.39                35
 08/22/2025   00:32:49   ( -76.17,   0.36) 08/22/2025   00:33:21  ( -76.15,   0.42)    2.30                32
 08/22/2025   01:23:33   (  76.08, 167.97) 08/22/2025   01:22:48  (  76.08, 167.82)    4.12                45
 08/24/2025   16:49:29   ( -76.15, 116.34) 08/24/2025   16:49:50  ( -76.14, 116.26)    2.32                21