Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 7 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)
 08/01/2022   15:05:13   (  72.38, -47.57) 08/01/2022   15:06:24  (  72.25, -46.76)   31.24                71
 08/01/2022   15:55:50   ( -72.03, 120.44) 08/01/2022   15:55:56  ( -72.03, 120.48)    1.27                 6
 08/01/2022   16:46:35   (  71.91, -72.02) 08/01/2022   16:45:23  (  71.94, -72.04)    3.40                72
 08/04/2022   06:32:17   ( -72.49, -99.52) 08/04/2022   06:33:27  ( -72.37, -98.30)   42.82                70
 08/04/2022   07:22:55   (  72.02,  68.71) 08/04/2022   07:22:59  (  72.01,  68.69)    0.85                 4
 08/04/2022   08:13:38   ( -71.96,-123.87) 08/04/2022   08:12:28  ( -71.95,-123.78)    3.31                70
 08/06/2022   21:59:19   (  72.39,-151.06) 08/06/2022   22:00:30  (  72.30,-150.20)   30.71                71
 08/06/2022   22:49:56   ( -72.02,  16.98) 08/06/2022   22:50:03  ( -72.02,  16.95)    1.12                 7
 08/06/2022   23:40:41   (  71.91,-175.51) 08/06/2022   23:39:30  (  71.93,-175.58)    3.03                71
 08/09/2022   13:26:23   ( -72.48, 157.01) 08/09/2022   13:27:33  ( -72.41, 158.24)   42.15                70
 08/09/2022   14:17:01   (  72.03, -34.78) 08/09/2022   14:17:05  (  72.04, -34.77)    2.00                 4
 08/09/2022   15:07:44   ( -71.96, 132.66) 08/09/2022   15:06:35  ( -71.94, 132.67)    2.65                69
 08/12/2022   04:53:26   (  72.40, 105.43) 08/12/2022   04:54:37  (  72.31, 106.31)   31.06                71
 08/12/2022   05:44:03   ( -72.02, -86.50) 08/12/2022   05:44:10  ( -72.05, -86.53)    3.31                 7
 08/12/2022   06:34:48   (  71.92,  80.99) 08/12/2022   06:33:37  (  71.95,  80.93)    3.03                71