Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 2 2.  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)
 02/02/2022   23:45:03   (  71.63,-177.67) 02/02/2022   23:45:26  (  71.64,-177.65)    1.38                23
 02/03/2022   00:35:46   ( -71.53, -10.17) 02/03/2022   00:34:56  ( -71.52, -10.22)    2.04                50
 02/05/2022   14:21:42   (  72.41, -38.26) 02/05/2022   14:22:49  (  72.32, -35.86)   81.39                67
 02/05/2022   15:12:11   ( -71.60, 130.62) 02/05/2022   15:12:30  ( -71.61, 130.53)    3.33                19
 02/05/2022   16:02:56   (  71.52, -61.93) 02/05/2022   16:01:57  (  71.52, -61.98)    1.65                59
 02/08/2022   05:48:47   ( -72.23, -89.66) 02/08/2022   05:49:56  ( -72.12, -87.98)   58.49                69
 02/08/2022   06:39:22   (  71.64,  78.77) 02/08/2022   06:39:30  (  71.65,  78.85)    3.24                 8
 02/08/2022   07:30:05   ( -71.54,-113.74) 02/08/2022   07:29:00  ( -71.54,-113.71)    1.26                65
 02/10/2022   21:15:51   (  71.92,-140.83) 02/10/2022   21:17:02  (  71.83,-140.24)   22.49                71
 02/10/2022   22:06:30   ( -71.62,  27.04) 02/10/2022   22:06:34  ( -71.61,  27.02)    1.05                 4
 02/10/2022   22:57:14   (  71.48,-165.40) 02/10/2022   22:56:01  (  71.51,-165.50)    4.85                73
 02/13/2022   12:42:55   ( -71.75, 167.73) 02/13/2022   12:44:06  ( -71.73, 167.82)    3.59                71
 02/13/2022   13:33:39   (  71.61, -24.71) 02/13/2022   13:33:33  (  71.63, -24.71)    2.31                 6
 02/13/2022   14:24:18   ( -71.31, 143.14) 02/13/2022   14:23:06  ( -71.36, 142.48)   24.03                72