Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 7 27.  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   (  72.33,  56.00) 07/27/2022   08:12:16  (  72.24,  56.74)   27.44                71
 07/27/2022   09:01:42   ( -71.99,-136.00) 07/27/2022   09:01:48  ( -72.01,-136.03)    2.75                 6
 07/27/2022   09:52:28   (  71.91,  31.45) 07/27/2022   09:51:15  (  71.92,  31.46)    1.39                73
 07/29/2022   23:38:09   ( -72.44,   4.05) 07/29/2022   23:39:20  ( -72.32,   5.12)   38.85                71
 07/30/2022   00:28:48   (  72.02, 172.19) 07/30/2022   00:28:51  (  72.01, 172.22)    1.15                 3
 07/30/2022   01:19:30   ( -71.92, -20.30) 07/30/2022   01:18:21  ( -71.89, -20.35)    3.14                69
 08/01/2022   15:05:13   (  72.38, -47.58) 08/01/2022   15:06:24  (  72.25, -46.75)   31.52                71
 08/01/2022   15:55:50   ( -72.03, 120.44) 08/01/2022   15:55:56  ( -72.03, 120.49)    1.85                 6
 08/01/2022   16:46:35   (  71.91, -72.03) 08/01/2022   16:45:23  (  71.94, -72.03)    3.34                72
 08/04/2022   06:32:16   ( -72.49, -99.53) 08/04/2022   06:33:26  ( -72.38, -98.29)   43.32                70
 08/04/2022   07:22:54   (  72.02,  68.70) 08/04/2022   07:22:58  (  72.01,  68.70)    1.32                 4
 08/04/2022   08:13:36   ( -71.92,-123.78) 08/04/2022   08:12:28  ( -71.90,-123.86)    3.24                68
 08/06/2022   21:59:19   (  72.40,-151.09) 08/06/2022   22:00:30  (  72.29,-150.20)   32.06                71
 08/06/2022   22:49:56   ( -72.03,  16.96) 08/06/2022   22:50:03  ( -72.03,  16.95)    0.42                 7
 08/06/2022   23:40:41   (  71.92,-175.54) 08/06/2022   23:39:30  (  71.92,-175.58)    1.57                71
 08/09/2022   13:26:23   ( -72.50, 156.97) 08/09/2022   13:27:33  ( -72.41, 158.24)   43.69                70
 08/09/2022   14:17:01   (  72.05, -34.82) 08/09/2022   14:17:05  (  72.04, -34.78)    1.74                 4
 08/09/2022   15:07:43   ( -71.93, 132.73) 08/09/2022   15:06:35  ( -71.93, 132.67)    2.13                68