Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 9 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)
 09/23/2022   12:06:10   (  72.58,  -2.70) 09/23/2022   12:07:20  (  72.46,  -1.60)   39.04                70
 09/23/2022   12:56:47   ( -72.16, 165.46) 09/23/2022   12:56:53  ( -72.18, 165.52)    2.64                 6
 09/23/2022   13:47:31   (  72.06, -27.03) 09/23/2022   13:46:21  (  72.03, -27.09)    3.43                70
 09/26/2022   03:33:11   ( -72.59, -54.45) 09/26/2022   03:34:22  ( -72.49, -53.30)   39.89                71
 09/26/2022   04:23:48   (  72.14, 113.78) 09/26/2022   04:23:54  (  72.13, 113.69)    2.88                 6
 09/26/2022   05:14:32   ( -72.07, -78.79) 09/26/2022   05:13:23  ( -72.07, -78.79)    0.03                69
 09/28/2022   19:00:13   (  72.58,-106.15) 09/28/2022   19:01:23  (  72.49,-105.06)   37.58                70
 09/28/2022   19:50:50   ( -72.15,  62.01) 09/28/2022   19:50:57  ( -72.16,  61.98)    1.60                 7
 09/28/2022   20:41:34   (  72.05,-130.48) 09/28/2022   20:40:24  (  72.06,-130.55)    2.69                70
 10/01/2022   10:27:16   ( -72.64,-158.02) 10/01/2022   10:28:26  ( -72.51,-156.79)   43.69                70
 10/01/2022   11:17:53   (  72.19,  10.21) 10/01/2022   11:17:57  (  72.19,  10.29)    2.68                 4
 10/01/2022   12:08:36   ( -72.07, 177.75) 10/01/2022   12:07:27  ( -72.08, 177.72)    1.57                69
 10/04/2022   01:54:17   (  72.59, 150.37) 10/04/2022   01:55:27  (  72.47, 151.39)   36.71                70
 10/04/2022   02:44:54   ( -72.16, -41.47) 10/04/2022   02:45:01  ( -72.15, -41.56)    3.41                 7
 10/04/2022   03:35:39   (  72.11, 125.93) 10/04/2022   03:34:27  (  72.10, 126.00)    2.95                72
 10/06/2022   17:21:19   ( -72.61,  98.58) 10/06/2022   17:22:29  ( -72.52,  99.73)   39.58                70
 10/06/2022   18:11:56   (  72.21, -93.30) 10/06/2022   18:11:59  (  72.20, -93.21)    3.12                 3
 10/06/2022   19:02:39   ( -72.09,  74.25) 10/06/2022   19:01:29  ( -72.10,  74.24)    0.49                70