Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 3 29.  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)
 03/30/2022   10:33:29   ( -71.78,-159.63) 03/30/2022   10:33:55  ( -71.80,-159.65)    2.23                26
 03/30/2022   11:24:15   (  71.71,   7.80) 03/30/2022   11:23:22  (  71.70,   7.83)    1.16                53
 04/02/2022   01:10:08   ( -72.64, -20.39) 04/02/2022   01:11:14  ( -72.55, -17.70)   90.01                66
 04/02/2022   02:00:39   (  71.81, 148.55) 04/02/2022   02:00:53  (  71.81, 148.63)    2.91                14
 04/02/2022   02:51:21   ( -71.70, -43.93) 04/02/2022   02:50:23  ( -71.70, -43.93)    0.05                58
 04/04/2022   16:37:10   (  72.27, -71.42) 04/04/2022   16:38:20  (  72.13, -70.22)   43.72                70
 04/04/2022   17:27:45   ( -71.80,  96.82) 04/04/2022   17:27:54  ( -71.80,  96.84)    0.94                 9
 04/04/2022   18:18:30   (  71.69, -95.68) 04/04/2022   18:17:21  (  71.69, -95.69)    1.07                69
 04/07/2022   08:04:12   ( -72.05,-122.74) 04/07/2022   08:05:23  ( -71.99,-122.22)   19.13                71
 04/07/2022   08:54:54   (  71.80,  45.05) 04/07/2022   08:54:52  (  71.78,  45.06)    2.03                 2
 04/07/2022   09:45:35   ( -71.62,-147.31) 04/07/2022   09:44:22  ( -71.67,-147.49)    8.32                73
 04/09/2022   23:31:17   (  71.86,-174.13) 04/09/2022   23:32:23  (  71.85,-174.21)    3.02                66
 04/10/2022   00:22:00   ( -71.78,  -6.67) 04/10/2022   00:21:52  ( -71.79,  -6.67)    1.68                 8