Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 8 8.  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   (  76.09, -51.55) 08/08/2025   16:00:21  (  76.07, -51.59)    1.90                10
 08/08/2025   16:50:54   ( -76.06, 115.87) 08/08/2025   16:49:49  ( -76.05, 115.96)    2.68                65
 08/11/2025   07:26:12   ( -76.35,-103.93) 08/11/2025   07:27:23  ( -76.21,-102.92)   30.99                71
 08/11/2025   08:16:52   (  76.09,  64.34) 08/11/2025   08:16:51  (  76.10,  64.36)    0.74                 1
 08/11/2025   09:07:33   ( -75.97,-127.91) 08/11/2025   09:06:20  ( -76.02,-128.23)   10.39                73
 08/13/2025   23:42:47   ( -76.13,  12.77) 08/13/2025   23:43:54  ( -76.12,  12.69)    2.58                67
 08/14/2025   00:33:32   (  76.10,-179.78) 08/14/2025   00:33:20  (  76.10,-179.74)    1.21                12
 08/14/2025   01:24:04   ( -75.57, -10.64) 08/14/2025   01:22:58  ( -75.59, -13.64)   83.27                66
 08/16/2025   15:59:28   ( -76.14, 128.64) 08/16/2025   16:00:23  ( -76.17, 128.70)    3.04                55
 08/16/2025   16:50:13   (  76.11, -63.92) 08/16/2025   16:49:50  (  76.09, -63.89)    1.65                23
 08/19/2025   08:16:09   ( -76.16,-115.51) 08/19/2025   08:16:53  ( -76.15,-115.48)    1.57                44
 08/19/2025   09:06:54   (  76.12,  51.93) 08/19/2025   09:06:19  (  76.12,  52.07)    3.77                35
 08/22/2025   00:32:49   ( -76.13,   0.49) 08/22/2025   00:33:22  ( -76.16,   0.44)    3.29                33