Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 8 12.  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)
 08/14/2023   04:09:24   (  73.30, 119.01) 08/14/2023   04:10:26  (  73.29, 119.05)    1.47                62
 08/14/2023   05:00:07   ( -73.24, -73.54) 08/14/2023   04:59:55  ( -73.23, -73.45)    3.19                12
 08/14/2023   05:50:40   (  72.52,  95.31) 08/14/2023   05:49:33  (  72.56,  92.89)   80.84                67
 08/16/2023   19:36:30   ( -73.31,  67.24) 08/16/2023   19:37:32  ( -73.30,  67.31)    2.43                62
 08/16/2023   20:27:15   (  73.21,-125.22) 08/16/2023   20:26:59  (  73.21,-125.23)    0.99                16
 08/16/2023   21:17:46   ( -72.54,  43.53) 08/16/2023   21:16:39  ( -72.57,  41.15)   79.51                67
 08/19/2023   11:03:38   (  73.29,  15.53) 08/19/2023   11:04:36  (  73.28,  15.50)    1.76                58
 08/19/2023   11:54:21   ( -73.22,-176.99) 08/19/2023   11:54:05  ( -73.22,-176.98)    0.39                16
 08/22/2023   02:30:44   ( -73.31, -36.25) 08/22/2023   02:31:42  ( -73.28, -36.26)    3.41                58
 08/22/2023   03:21:29   (  73.22, 131.27) 08/22/2023   03:21:08  (  73.24, 131.29)    2.53                21
 08/24/2023   17:57:51   (  73.32, -88.01) 08/24/2023   17:58:44  (  73.29, -88.01)    3.34                53
 08/24/2023   18:48:34   ( -73.24,  79.49) 08/24/2023   18:48:13  ( -73.24,  79.52)    0.79                21