Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 6 23.  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)
 06/24/2023   23:24:32   (  73.29,-170.49) 06/24/2023   23:25:43  (  73.22,-170.00)   17.86                71
 06/25/2023   00:15:12   ( -73.04,  -2.62) 06/25/2023   00:15:14  ( -73.04,  -2.72)    3.28                 2
 06/25/2023   01:05:55   (  72.87, 165.07) 06/25/2023   01:04:42  (  72.90, 164.65)   14.21                73
 06/27/2023   14:51:38   ( -73.14, 138.09) 06/27/2023   14:52:47  ( -73.14, 138.09)    1.00                69
 06/27/2023   15:42:23   (  73.07, -54.43) 06/27/2023   15:42:14  (  73.05, -54.44)    2.29                 9
 06/27/2023   16:32:59   ( -72.62, 113.85) 06/27/2023   16:31:49  ( -72.66, 112.44)   46.93                70
 06/30/2023   06:18:48   (  73.13,  86.38) 06/30/2023   06:19:47  (  73.12,  86.31)    2.44                59
 06/30/2023   07:09:32   ( -73.08,-106.20) 06/30/2023   07:09:16  ( -73.05,-106.19)    3.11                16
 07/02/2023   21:45:56   ( -73.15,  34.59) 07/02/2023   21:46:47  ( -73.15,  34.63)    1.49                51
 07/02/2023   22:36:41   (  73.07,-157.94) 07/02/2023   22:36:14  (  73.06,-157.92)    1.35                27
 07/05/2023   13:13:06   (  73.14, -17.16) 07/05/2023   13:13:46  (  73.13, -17.15)    1.20                40
 07/05/2023   14:03:49   ( -73.05, 150.37) 07/05/2023   14:03:15  ( -73.07, 150.36)    2.66                34