Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 3 27.  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)
 03/27/2022   19:06:24   (  71.79,-107.89) 03/27/2022   19:06:55  (  71.80,-107.89)    0.95                31
 03/27/2022   19:57:06   ( -71.69,  59.61) 03/27/2022   19:56:25  ( -71.68,  59.54)    2.73                41
 03/30/2022   10:33:29   ( -71.78,-159.63) 03/30/2022   10:33:55  ( -71.81,-159.63)    3.30                26
 03/30/2022   11:24:15   (  71.71,   7.80) 03/30/2022   11:23:22  (  71.71,   7.84)    1.42                53
 04/02/2022   01:10:08   ( -72.64, -20.39) 04/02/2022   01:11:14  ( -72.57, -17.67)   90.71                66
 04/02/2022   02:00:38   (  71.76, 148.64) 04/02/2022   02:00:54  (  71.77, 148.56)    3.15                16
 04/02/2022   02:51:21   ( -71.70, -43.93) 04/02/2022   02:50:23  ( -71.71, -43.91)    1.97                58
 04/04/2022   16:37:10   (  72.28, -71.42) 04/04/2022   16:38:20  (  72.15, -70.18)   44.54                70
 04/04/2022   17:27:45   ( -71.80,  96.81) 04/04/2022   17:27:55  ( -71.77,  96.79)    3.14                10
 04/04/2022   18:18:30   (  71.69, -95.68) 04/04/2022   18:17:21  (  71.72, -95.65)    3.39                69
 04/07/2022   08:04:12   ( -72.06,-122.75) 04/07/2022   08:05:24  ( -71.98,-122.24)   19.38                72
 04/07/2022   08:54:54   (  71.80,  45.04) 04/07/2022   08:54:52  (  71.82,  45.13)    3.34                 2
 04/07/2022   09:45:36   ( -71.68,-147.41) 04/07/2022   09:44:22  ( -71.71,-147.42)    3.72                74
 04/09/2022   23:31:16   (  71.87,-174.15) 04/09/2022   23:32:23  (  71.85,-174.21)    2.82                67
 04/10/2022   00:21:59   ( -71.78,  -6.68) 04/10/2022   00:21:52  ( -71.80,  -6.66)    1.60                 7