Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 2 4.  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)
 02/05/2022   14:21:42   (  72.42, -38.28) 02/05/2022   14:22:49  (  72.31, -35.88)   81.53                67
 02/05/2022   15:12:12   ( -71.66, 130.51) 02/05/2022   15:12:29  ( -71.65, 130.60)    3.44                17
 02/05/2022   16:02:56   (  71.53, -61.95) 02/05/2022   16:01:57  (  71.50, -62.00)    2.98                59
 02/08/2022   05:48:47   ( -72.24, -89.68) 02/08/2022   05:49:56  ( -72.10, -88.02)   58.81                69
 02/08/2022   06:39:22   (  71.65,  78.75) 02/08/2022   06:39:30  (  71.63,  78.82)    2.92                 8
 02/08/2022   07:30:04   ( -71.50,-113.67) 02/08/2022   07:29:00  ( -71.52,-113.75)    3.10                64
 02/10/2022   21:15:50   (  71.88,-140.75) 02/10/2022   21:17:02  (  71.80,-140.29)   17.95                72
 02/10/2022   22:06:30   ( -71.63,  27.02) 02/10/2022   22:06:33  ( -71.64,  27.06)    1.31                 3
 02/10/2022   22:57:14   (  71.49,-165.42) 02/10/2022   22:56:01  (  71.48,-165.55)    4.67                73
 02/13/2022   12:42:55   ( -71.71, 167.80) 02/13/2022   12:44:07  ( -71.69, 167.75)    2.79                72
 02/13/2022   13:33:40   (  71.62, -24.74) 02/13/2022   13:33:33  (  71.64, -24.69)    2.92                 7
 02/13/2022   14:24:17   ( -71.27, 143.20) 02/13/2022   14:23:05  ( -71.37, 142.50)   27.44                72
 02/16/2022   04:10:04   (  71.70, 116.04) 02/16/2022   04:11:06  (  71.68, 115.98)    2.90                62
 02/16/2022   05:00:47   ( -71.61, -76.48) 02/16/2022   05:00:35  ( -71.63, -76.48)    1.61                12