Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 8 6.  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)
 08/08/2025   16:00:11   (  76.08, -51.52) 08/08/2025   16:00:21  (  76.08, -51.57)    1.16                10
 08/08/2025   16:50:54   ( -76.05, 115.91) 08/08/2025   16:49:49  ( -76.05, 115.99)    2.35                65
 08/11/2025   07:26:11   ( -76.34,-103.90) 08/11/2025   07:27:22  ( -76.22,-102.89)   30.10                71
 08/11/2025   08:16:51   (  76.08,  64.37) 08/11/2025   08:16:50  (  76.10,  64.39)    2.32                 1
 08/11/2025   09:07:32   ( -75.96,-127.88) 08/11/2025   09:06:19  ( -76.03,-128.20)   11.54                73
 08/13/2025   23:42:47   ( -76.13,  12.80) 08/13/2025   23:43:54  ( -76.14,  12.72)    2.32                67
 08/14/2025   00:33:32   (  76.09,-179.75) 08/14/2025   00:33:20  (  76.11,-179.71)    2.74                12
 08/14/2025   01:24:04   ( -75.56, -10.61) 08/14/2025   01:22:58  ( -75.60, -13.61)   83.20                66
 08/16/2025   15:59:28   ( -76.14, 128.67) 08/16/2025   16:00:24  ( -76.13, 128.59)    2.14                56
 08/16/2025   16:50:13   (  76.10, -63.89) 08/16/2025   16:49:50  (  76.11, -63.85)    1.20                23
 08/19/2025   08:16:09   ( -76.15,-115.48) 08/19/2025   08:16:53  ( -76.16,-115.43)    1.76                44
 08/19/2025   09:06:54   (  76.11,  51.96) 08/19/2025   09:06:20  (  76.08,  51.97)    3.30                34