Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 4 15.  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)
 04/17/2023   07:20:31   (  73.40,  69.32) 04/17/2023   07:21:40  (  73.30,  71.03)   55.69                69
 04/17/2023   08:11:05   ( -72.89,-122.21) 04/17/2023   08:11:16  ( -72.86,-122.21)    3.57                11
 04/17/2023   09:01:50   (  72.78,  45.32) 04/17/2023   09:00:43  (  72.77,  45.26)    2.37                67
 04/19/2023   22:47:33   ( -73.18,  18.08) 04/19/2023   22:48:45  ( -73.08,  18.83)   26.72                72
 04/19/2023   23:38:14   (  72.88,-173.95) 04/19/2023   23:38:14  (  72.88,-173.91)    1.25                 0
 04/20/2023   00:28:57   ( -72.81,  -6.48) 04/20/2023   00:27:43  ( -72.82,  -6.41)    2.73                74
 04/22/2023   14:14:38   (  72.94, -33.14) 04/22/2023   14:15:46  (  72.97, -33.15)    2.63                68
 04/22/2023   15:05:21   ( -72.87, 134.34) 04/22/2023   15:05:16  ( -72.85, 134.26)    3.28                 5
 04/22/2023   15:55:58   (  72.36, -57.31) 04/22/2023   15:54:49  (  72.43, -58.88)   53.51                69
 04/25/2023   05:41:45   ( -72.93, -84.86) 04/25/2023   05:42:47  ( -72.95, -84.94)    3.40                62
 04/25/2023   06:32:31   (  72.89,  82.53) 04/25/2023   06:32:13  (  72.91,  82.61)    3.16                18
 04/25/2023   07:23:01   ( -72.15,-108.63) 04/25/2023   07:21:54  ( -72.21,-111.05)   82.58                67
 04/27/2023   21:08:55   (  72.97,-136.70) 04/27/2023   21:09:44  (  72.97,-136.65)    1.68                49
 04/27/2023   21:59:38   ( -72.88,  30.80) 04/27/2023   21:59:14  ( -72.86,  30.77)    3.11                24