Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 10 22.  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)
 10/24/2023   12:29:59   (  74.14,  -7.05) 10/24/2023   12:31:05  (  74.06,  -4.47)   79.24                66
 10/24/2023   13:20:31   ( -73.50, 161.83) 10/24/2023   13:20:44  ( -73.47, 161.88)    2.95                13
 10/24/2023   14:11:15   (  73.39, -30.60) 10/24/2023   14:10:11  (  73.39, -30.65)    1.68                64
 10/27/2023   03:57:02   ( -74.29, -59.15) 10/27/2023   03:58:07  ( -74.15, -56.02)   95.73                65
 10/27/2023   04:47:32   (  73.49, 110.13) 10/27/2023   04:47:45  (  73.50, 110.17)    1.40                13
 10/27/2023   05:38:15   ( -73.39, -82.33) 10/27/2023   05:37:15  ( -73.38, -82.44)    3.67                60
 10/29/2023   19:24:03   (  74.25,-110.76) 10/29/2023   19:25:08  (  74.20,-107.68)   93.27                65
 10/29/2023   20:14:33   ( -73.51,  58.38) 10/29/2023   20:14:49  ( -73.51,  58.44)    1.91                16
 10/29/2023   21:05:17   (  73.40,-134.05) 10/29/2023   21:04:16  (  73.42,-134.11)    3.05                61
 11/01/2023   11:41:35   (  73.53,   6.62) 11/01/2023   11:41:50  (  73.51,   6.69)    2.47                15
 11/01/2023   12:32:18   ( -73.43, 174.17) 11/01/2023   12:31:19  ( -73.46, 174.20)    3.43                59
 11/04/2023   03:08:35   ( -73.52, -45.07) 11/04/2023   03:08:53  ( -73.52, -45.06)    0.52                18
 11/04/2023   03:59:20   (  73.46, 122.39) 11/04/2023   03:58:20  (  73.42, 122.38)    3.63                60