Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 2 19.  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)
 02/21/2022   11:04:21   (  71.70,  12.50) 02/21/2022   11:05:07  (  71.71,  12.50)    0.48                46
 02/21/2022   11:55:04   ( -71.63, 179.95) 02/21/2022   11:54:36  ( -71.64,-179.98)    2.79                28
 02/24/2022   02:31:29   ( -71.73, -39.30) 02/24/2022   02:32:09  ( -71.71, -39.26)    2.52                40
 02/24/2022   03:22:14   (  71.62, 128.20) 02/24/2022   03:21:36  (  71.61, 128.23)    0.91                38
 02/26/2022   17:58:39   (  71.71, -91.05) 02/26/2022   17:59:08  (  71.72, -90.98)    2.59                29
 02/26/2022   18:49:21   ( -71.60,  76.49) 02/26/2022   18:48:38  ( -71.61,  76.46)    2.00                43
 03/01/2022   09:25:46   ( -71.69,-142.77) 03/01/2022   09:26:10  ( -71.72,-142.76)    2.58                24
 03/01/2022   10:16:32   (  71.63,  24.64) 03/01/2022   10:15:37  (  71.61,  24.71)    3.39                55
 03/04/2022   00:02:24   ( -72.46,  -3.32) 03/04/2022   00:03:31  ( -72.40,  -0.94)   80.05                67
 03/04/2022   00:52:55   (  71.68, 165.48) 03/04/2022   00:53:08  (  71.71, 165.48)    2.62                13
 03/04/2022   01:43:38   ( -71.62, -27.09) 03/04/2022   01:42:38  ( -71.60, -27.07)    2.10                60