Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 9 22.  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)
 09/23/2022   12:06:09   (  72.57,  -2.67) 09/23/2022   12:07:19  (  72.47,  -1.57)   38.00                70
 09/23/2022   12:56:46   ( -72.15, 165.49) 09/23/2022   12:56:53  ( -72.14, 165.46)    1.33                 7
 09/23/2022   13:47:30   (  72.04, -27.00) 09/23/2022   13:46:20  (  72.05, -27.06)    2.11                70
 09/26/2022   03:33:12   ( -72.63, -54.53) 09/26/2022   03:34:22  ( -72.51, -53.27)   44.04                70
 09/26/2022   04:23:49   (  72.17, 113.70) 09/26/2022   04:23:54  (  72.15, 113.72)    2.92                 5
 09/26/2022   05:14:32   ( -72.06, -78.76) 09/26/2022   05:13:23  ( -72.09, -78.75)    3.40                69
 09/28/2022   19:00:13   (  72.57,-106.13) 09/28/2022   19:01:24  (  72.45,-105.12)   35.79                71
 09/28/2022   19:50:51   ( -72.19,  61.93) 09/28/2022   19:50:57  ( -72.18,  62.01)    3.03                 6
 09/28/2022   20:41:35   (  72.09,-130.56) 09/28/2022   20:40:24  (  72.08,-130.52)    2.02                71
 10/01/2022   10:27:16   ( -72.64,-158.00) 10/01/2022   10:28:26  ( -72.53,-156.75)   43.51                70
 10/01/2022   11:17:53   (  72.18,  10.22) 10/01/2022   11:17:58  (  72.16,  10.22)    2.84                 5
 10/01/2022   12:08:37   ( -72.12, 177.66) 10/01/2022   12:07:27  ( -72.10, 177.76)    3.55                70
 10/04/2022   01:54:16   (  72.58, 150.37) 10/04/2022   01:55:26  (  72.49, 151.44)   36.97                70
 10/04/2022   02:44:53   ( -72.16, -41.46) 10/04/2022   02:45:00  ( -72.17, -41.52)    2.08                 7
 10/04/2022   03:35:37   (  72.06, 126.04) 10/04/2022   03:34:27  (  72.07, 125.94)    3.25                70