Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 9 3.  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)
 09/04/2022   23:56:50   ( -72.38,  -0.14) 09/04/2022   23:58:02  ( -72.28,   0.42)   21.55                72
 09/05/2022   00:47:31   (  72.11, 167.69) 09/05/2022   00:47:31  (  72.09, 167.71)    2.66                 0
 09/05/2022   01:38:14   ( -72.01, -24.79) 09/05/2022   01:37:00  ( -72.02, -24.77)    2.14                74
 09/07/2022   15:23:53   (  72.41, -51.95) 09/07/2022   15:25:04  (  72.29, -51.34)   24.65                71
 09/07/2022   16:14:32   ( -72.09, 115.99) 09/07/2022   16:14:35  ( -72.12, 115.99)    2.56                 3
 09/07/2022   17:05:16   (  71.99, -76.49) 09/07/2022   17:04:02  (  72.02, -76.53)    4.43                74
 09/10/2022   06:50:57   ( -72.49,-103.84) 09/10/2022   06:52:08  ( -72.36,-102.97)   32.46                71
 09/10/2022   07:41:35   (  72.08,  64.28) 09/10/2022   07:41:38  (  72.11,  64.21)    3.35                 3
 09/10/2022   08:32:19   ( -72.02,-128.29) 09/10/2022   08:31:08  ( -71.99,-128.35)    3.36                71
 09/12/2022   22:18:00   (  72.49,-155.57) 09/12/2022   22:19:11  (  72.34,-154.77)   31.54                71
 09/12/2022   23:08:38   ( -72.11,  12.49) 09/12/2022   23:08:43  ( -72.12,  12.47)    1.48                 5
 09/12/2022   23:59:22   (  72.01, 179.99) 09/12/2022   23:58:10  (  72.02, 179.94)    1.95                72
 09/15/2022   13:45:04   ( -72.56, 152.54) 09/15/2022   13:46:14  ( -72.45, 153.67)   39.52                70
 09/15/2022   14:35:41   (  72.11, -39.25) 09/15/2022   14:35:45  (  72.14, -39.26)    2.83                 4
 09/15/2022   15:26:25   ( -72.04, 128.20) 09/15/2022   15:25:15  ( -72.03, 128.19)    0.69                70