Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 7 31.  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)
 07/31/2025   15:10:08   (  76.09, -39.27) 07/31/2025   15:10:48  (  76.07, -39.21)    2.44                40
 07/31/2025   16:00:51   ( -76.05, 128.19) 07/31/2025   16:00:16  ( -76.05, 128.34)    4.15                35
 08/03/2025   07:26:49   (  76.08,  76.66) 08/03/2025   07:27:19  (  76.09,  76.73)    2.15                30
 08/03/2025   08:17:32   ( -76.05,-115.88) 08/03/2025   08:16:48  ( -76.02,-115.86)    2.60                44
 08/05/2025   23:43:30   (  76.08,-167.43) 08/05/2025   23:43:50  (  76.10,-167.38)    2.26                20
 08/06/2025   00:34:13   ( -76.05,   0.02) 08/06/2025   00:33:19  ( -76.03,   0.04)    1.87                54
 08/08/2025   16:00:11   (  76.09, -51.56) 08/08/2025   16:00:21  (  76.09, -51.54)    0.65                10
 08/08/2025   16:50:54   ( -76.05, 115.89) 08/08/2025   16:49:50  ( -76.02, 115.89)    3.73                64
 08/11/2025   07:26:11   ( -76.36,-103.96) 08/11/2025   07:27:22  ( -76.23,-102.85)   32.72                71
 08/11/2025   08:16:51   (  76.11,  64.29) 08/11/2025   08:16:50  (  76.11,  64.40)    2.95                 1
 08/11/2025   09:07:32   ( -75.98,-127.94) 08/11/2025   09:06:19  ( -76.04,-128.17)    9.19                73
 08/13/2025   23:42:47   ( -76.16,  12.68) 08/13/2025   23:43:54  ( -76.14,  12.74)    2.79                67
 08/14/2025   00:33:31   (  76.08,-179.73) 08/14/2025   00:33:20  (  76.11,-179.71)    2.83                11