Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 4 11.  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)
 04/13/2025   00:50:21   (  75.91, 173.45) 04/13/2025   00:51:32  (  75.79, 174.49)   31.86                71
 04/13/2025   01:40:59   ( -75.66, -18.37) 04/13/2025   01:41:02  ( -75.66, -18.24)    3.63                 3
 04/13/2025   02:31:42   (  75.52, 149.41) 04/13/2025   02:30:29  (  75.59, 149.20)    9.69                73
 04/15/2025   17:07:00   (  75.70, -69.93) 04/15/2025   17:08:00  (  75.71, -69.84)    2.91                60
 04/15/2025   17:57:42   ( -75.63,  97.62) 04/15/2025   17:57:29  ( -75.64,  97.58)    1.66                13
 04/18/2025   09:23:44   (  75.68,  46.01) 04/18/2025   09:24:27  (  75.70,  46.01)    2.49                43
 04/18/2025   10:14:27   ( -75.65,-146.58) 04/18/2025   10:13:56  ( -75.63,-146.56)    2.63                31
 04/21/2025   01:40:28   (  75.68, 161.92) 04/21/2025   01:40:53  (  75.71, 161.91)    3.57                25
 04/21/2025   02:31:11   ( -75.65, -30.67) 04/21/2025   02:30:22  ( -75.64, -30.66)    1.17                49
 04/23/2025   17:06:38   ( -76.22, 108.57) 04/23/2025   17:07:44  ( -76.15, 111.49)   77.98                66
 04/23/2025   17:57:12   (  75.68, -82.22) 04/23/2025   17:57:19  (  75.68, -82.29)    2.02                 7