Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 3 28.  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   10:33:30   ( -71.82,-159.72) 03/30/2022   10:33:55  ( -71.81,-159.63)    3.37                25
 03/30/2022   11:24:15   (  71.70,   7.82) 03/30/2022   11:23:22  (  71.71,   7.85)    1.62                53
 04/02/2022   01:10:08   ( -72.63, -20.37) 04/02/2022   01:11:14  ( -72.57, -17.67)   90.09                66
 04/02/2022   02:00:39   (  71.80, 148.56) 04/02/2022   02:00:54  (  71.77, 148.56)    3.50                15
 04/02/2022   02:51:21   ( -71.69, -43.92) 04/02/2022   02:50:23  ( -71.71, -43.91)    2.20                58
 04/04/2022   16:37:10   (  72.27, -71.40) 04/04/2022   16:38:20  (  72.14, -70.19)   43.46                70
 04/04/2022   17:27:45   ( -71.79,  96.83) 04/04/2022   17:27:54  ( -71.82,  96.87)    3.19                 9
 04/04/2022   18:18:30   (  71.68, -95.67) 04/04/2022   18:17:21  (  71.71, -95.66)    3.37                69
 04/07/2022   08:04:12   ( -72.05,-122.73) 04/07/2022   08:05:24  ( -71.96,-122.27)   18.37                72
 04/07/2022   08:54:54   (  71.79,  45.06) 04/07/2022   08:54:52  (  71.80,  45.10)    1.70                 2
 04/07/2022   09:45:36   ( -71.67,-147.39) 04/07/2022   09:44:22  ( -71.69,-147.45)    3.56                74
 04/09/2022   23:31:16   (  71.85,-174.13) 04/09/2022   23:32:22  (  71.88,-174.16)    2.95                66
 04/10/2022   00:21:59   ( -71.77,  -6.66) 04/10/2022   00:21:52  ( -71.77,  -6.71)    1.66                 7