Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 3 31.  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)
 04/02/2022   02:00:39   (  71.80, 148.56) 04/02/2022   02:00:57  (  71.79, 148.58)    1.46                18
 04/02/2022   02:51:21   ( -71.70, -43.93) 04/02/2022   02:50:27  ( -71.68, -43.99)    2.87                54
 04/04/2022   16:37:14   (  72.47, -71.82) 04/04/2022   16:38:22  (  72.33, -69.88)   67.11                68
 04/04/2022   17:27:45   ( -71.80,  96.82) 04/04/2022   17:28:00  ( -71.79,  96.80)    1.30                15
 04/04/2022   18:18:30   (  71.68, -95.67) 04/04/2022   18:17:27  (  71.69, -95.73)    2.00                63
 04/07/2022   08:04:17   ( -72.31,-123.24) 04/07/2022   08:05:27  ( -72.19,-121.90)   47.44                70
 04/07/2022   08:54:54   (  71.80,  45.05) 04/07/2022   08:54:59  (  71.82,  45.09)    2.47                 5
 04/07/2022   09:45:37   ( -71.73,-147.50) 04/07/2022   09:44:29  ( -71.71,-147.46)    2.81                68
 04/09/2022   23:31:18   (  71.97,-174.34) 04/09/2022   23:32:30  (  71.92,-174.13)    9.21                72
 04/10/2022   00:21:59   ( -71.79,  -6.68) 04/10/2022   00:22:00  ( -71.81,  -6.68)    2.30                 1
 04/10/2022   01:12:41   (  71.53, 161.09) 04/10/2022   01:11:29  (  71.59, 160.60)   18.39                72
 04/12/2022   14:58:23   ( -71.90, 134.03) 04/12/2022   14:59:32  ( -71.88, 134.04)    2.68                69
 04/12/2022   15:49:08   (  71.81, -58.49) 04/12/2022   15:48:58  (  71.82, -58.41)    3.24                10