Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 2 11.  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)
 02/12/2023   23:50:41   (  72.68,-177.49) 02/12/2023   23:51:27  (  72.66,-177.42)    3.35                46
 02/13/2023   00:41:24   ( -72.57,  -9.95) 02/13/2023   00:40:56  ( -72.59,  -9.92)    2.45                28
 02/15/2023   15:17:55   ( -72.65, 130.80) 02/15/2023   15:18:27  ( -72.67, 130.84)    2.45                32
 02/15/2023   16:08:40   (  72.58, -61.74) 02/15/2023   16:07:54  (  72.58, -61.69)    1.71                46
 02/18/2023   05:54:39   ( -73.44, -90.01) 02/18/2023   05:55:45  ( -73.33, -87.24)   89.11                66
 02/18/2023   06:45:10   (  72.67,  78.99) 02/18/2023   06:45:23  (  72.66,  79.08)    3.11                13
 02/18/2023   07:35:53   ( -72.56,-113.47) 02/18/2023   07:34:53  ( -72.54,-113.51)    2.36                60
 02/20/2023   21:21:41   (  72.76,-140.30) 02/20/2023   21:22:52  (  72.75,-140.14)    5.70                71
 02/20/2023   22:12:24   ( -72.65,  27.24) 02/20/2023   22:12:22  ( -72.63,  27.27)    2.87                 2
 02/20/2023   23:03:04   (  72.33,-164.78) 02/20/2023   23:01:52  (  72.37,-165.57)   26.78                72
 02/23/2023   12:48:54   ( -72.71, 168.04) 02/23/2023   12:49:50  ( -72.72, 168.07)    2.05                56
 02/23/2023   13:39:39   (  72.63, -24.50) 02/23/2023   13:39:17  (  72.62, -24.47)    1.60                22