Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 2 18.  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)
 02/18/2023   06:45:09   (  72.65,  79.04) 02/18/2023   06:45:28  (  72.63,  79.00)    2.12                19
 02/18/2023   07:35:52   ( -72.54,-113.43) 02/18/2023   07:34:57  ( -72.56,-113.50)    2.77                55
 02/20/2023   21:21:45   (  73.02,-140.86) 02/20/2023   21:22:55  (  72.93,-139.82)   35.46                70
 02/20/2023   22:12:22   ( -72.62,  27.32) 02/20/2023   22:12:28  ( -72.64,  27.27)    3.29                 6
 02/20/2023   23:03:07   (  72.54,-165.21) 02/20/2023   23:01:55  (  72.55,-165.25)    2.24                72
 02/23/2023   12:48:51   ( -72.71, 168.05) 02/23/2023   12:49:58  ( -72.69, 167.98)    3.07                67
 02/23/2023   13:39:36   (  72.63, -24.48) 02/23/2023   13:39:24  (  72.65, -24.45)    2.75                12
 02/23/2023   14:30:11   ( -72.12, 143.86) 02/23/2023   14:29:01  ( -72.16, 142.27)   54.14                70
 02/26/2023   04:16:05   (  72.69, 116.32) 02/26/2023   04:16:54  (  72.71, 116.28)    3.31                49
 02/26/2023   05:06:49   ( -72.63, -76.26) 02/26/2023   05:06:23  ( -72.64, -76.22)    1.85                26
 02/28/2023   19:43:18   ( -72.71,  64.51) 02/28/2023   19:43:52  ( -72.72,  64.55)    2.00                34
 02/28/2023   20:34:03   (  72.63,-128.02) 02/28/2023   20:33:19  (  72.62,-127.99)    0.93                44
 03/03/2023   11:10:32   (  72.71,  12.72) 03/03/2023   11:10:47  (  72.71,  12.80)    2.52                15
 03/03/2023   12:01:15   ( -72.61,-179.76) 03/03/2023   12:00:17  ( -72.59,-179.79)    2.57                58