Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 7 26.  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)
 07/27/2022   08:11:05   (  72.34,  55.99) 07/27/2022   08:12:16  (  72.23,  56.74)   27.77                71
 07/27/2022   09:01:42   ( -71.99,-136.01) 07/27/2022   09:01:48  ( -72.01,-136.03)    2.16                 6
 07/27/2022   09:52:28   (  71.91,  31.44) 07/27/2022   09:51:15  (  71.92,  31.46)    0.69                73
 07/29/2022   23:38:09   ( -72.45,   4.04) 07/29/2022   23:39:19  ( -72.36,   5.21)   40.37                70
 07/30/2022   00:28:48   (  72.02, 172.18) 07/30/2022   00:28:51  (  72.00, 172.21)    2.02                 3
 07/30/2022   01:19:30   ( -71.92, -20.31) 07/30/2022   01:18:20  ( -71.94, -20.27)    2.80                70
 08/01/2022   15:05:13   (  72.39, -47.59) 08/01/2022   15:06:24  (  72.24, -46.77)   32.07                71
 08/01/2022   15:55:50   ( -72.03, 120.43) 08/01/2022   15:55:56  ( -72.02, 120.47)    1.52                 6
 08/01/2022   16:46:35   (  71.91, -72.04) 08/01/2022   16:45:23  (  71.93, -72.05)    1.74                72
 08/04/2022   06:32:17   ( -72.50, -99.54) 08/04/2022   06:33:27  ( -72.36, -98.32)   43.51                70
 08/04/2022   07:22:55   (  72.03,  68.69) 08/04/2022   07:22:58  (  72.05,  68.76)    3.44                 3
 08/04/2022   08:13:37   ( -71.92,-123.79) 08/04/2022   08:12:28  ( -71.94,-123.79)    2.40                69
 08/06/2022   21:59:19   (  72.41,-151.10) 08/06/2022   22:00:30  (  72.27,-150.24)   32.60                71
 08/06/2022   22:49:56   ( -72.04,  16.95) 08/06/2022   22:50:02  ( -72.06,  17.01)    3.30                 6
 08/06/2022   23:40:41   (  71.93,-175.55) 08/06/2022   23:39:29  (  71.95,-175.53)    2.88                72