Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 9 21.  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)
 09/23/2022   12:06:09   (  72.56,  -2.65) 09/23/2022   12:07:19  (  72.48,  -1.56)   37.53                70
 09/23/2022   12:56:46   ( -72.14, 165.51) 09/23/2022   12:56:53  ( -72.15, 165.47)    1.75                 7
 09/23/2022   13:47:30   (  72.03, -26.99) 09/23/2022   13:46:20  (  72.06, -27.05)    3.19                70
 09/26/2022   03:33:12   ( -72.62, -54.51) 09/26/2022   03:34:22  ( -72.52, -53.25)   43.56                70
 09/26/2022   04:23:49   (  72.17, 113.71) 09/26/2022   04:23:54  (  72.16, 113.74)    1.36                 5
 09/26/2022   05:14:32   ( -72.05, -78.75) 09/26/2022   05:13:24  ( -72.04, -78.83)    2.99                68
 09/28/2022   19:00:13   (  72.56,-106.11) 09/28/2022   19:01:24  (  72.46,-105.11)   35.39                71
 09/28/2022   19:50:51   ( -72.19,  61.95) 09/28/2022   19:50:57  ( -72.19,  62.03)    2.86                 6
 09/28/2022   20:41:35   (  72.09,-130.55) 09/28/2022   20:40:24  (  72.09,-130.50)    1.70                71
 10/01/2022   10:27:15   ( -72.63,-157.99) 10/01/2022   10:28:25  ( -72.53,-156.73)   43.31                70
 10/01/2022   11:17:52   (  72.18,  10.23) 10/01/2022   11:17:57  (  72.17,  10.24)    1.50                 5
 10/01/2022   12:08:35   ( -72.06, 177.77) 10/01/2022   12:07:27  ( -72.06, 177.68)    3.11                68
 10/04/2022   01:54:16   (  72.58, 150.38) 10/04/2022   01:55:26  (  72.50, 151.45)   36.98                70
 10/04/2022   02:44:53   ( -72.16, -41.46) 10/04/2022   02:45:00  ( -72.18, -41.50)    2.86                 7
 10/04/2022   03:35:37   (  72.06, 126.04) 10/04/2022   03:34:27  (  72.07, 125.96)    3.31                70