Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 2 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)
 02/24/2022   02:31:28   ( -71.68, -39.21) 02/24/2022   02:32:12  ( -71.70, -39.29)    3.39                44
 02/24/2022   03:22:14   (  71.62, 128.21) 02/24/2022   03:21:39  (  71.60, 128.20)    1.34                35
 02/26/2022   17:58:39   (  71.71, -91.05) 02/26/2022   17:59:13  (  71.70, -91.04)    1.38                34
 02/26/2022   18:49:21   ( -71.60,  76.48) 02/26/2022   18:48:43  ( -71.59,  76.40)    3.18                38
 03/01/2022   09:25:46   ( -71.70,-142.79) 03/01/2022   09:26:17  ( -71.68,-142.85)    3.45                31
 03/01/2022   10:16:32   (  71.64,  24.64) 03/01/2022   10:15:43  (  71.63,  24.72)    2.91                49
 03/04/2022   00:52:55   (  71.69, 165.46) 03/04/2022   00:53:16  (  71.71, 165.45)    2.59                21
 03/04/2022   01:43:38   ( -71.63, -27.11) 03/04/2022   01:42:46  ( -71.60, -27.10)    2.80                52
 03/06/2022   15:29:33   (  72.46, -55.10) 03/06/2022   15:30:40  (  72.32, -52.88)   76.43                67
 03/06/2022   16:20:02   ( -71.69, 113.71) 03/06/2022   16:20:20  ( -71.68, 113.63)    3.10                18
 03/06/2022   17:10:48   (  71.62, -78.86) 03/06/2022   17:09:46  (  71.63, -78.81)    1.82                62