Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 7 10.  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)
 07/10/2023   20:07:24   (  73.15,-120.66) 07/10/2023   20:08:12  (  73.18,-120.66)    3.59                48
 07/10/2023   20:58:07   ( -73.07,  46.82) 07/10/2023   20:57:42  ( -73.05,  46.72)    3.61                25
 07/13/2023   11:34:32   ( -73.16,-172.43) 07/13/2023   11:35:17  ( -73.14,-172.50)    2.88                45
 07/13/2023   12:25:18   (  73.11,  -5.02) 07/13/2023   12:24:43  (  73.11,  -4.92)    3.15                35
 07/16/2023   03:01:42   (  73.15, 135.83) 07/16/2023   03:02:18  (  73.17, 135.81)    2.47                36
 07/16/2023   03:52:25   ( -73.08, -56.69) 07/16/2023   03:51:47  ( -73.11, -56.68)    3.51                38
 07/18/2023   18:28:49   ( -73.18,  84.03) 07/18/2023   18:29:21  ( -73.16,  84.03)    1.84                32
 07/18/2023   19:19:34   (  73.08,-108.44) 07/18/2023   19:18:48  (  73.07,-108.52)    2.63                46
 07/21/2023   09:55:59   (  73.18,  32.27) 07/21/2023   09:56:22  (  73.15,  32.26)    3.61                23
 07/21/2023   10:46:42   ( -73.11,-160.25) 07/21/2023   10:45:51  ( -73.09,-160.23)    2.04                51
 07/24/2023   00:32:38   (  73.98, 171.31) 07/24/2023   00:33:43  (  73.89, 174.45)   96.94                65
 07/24/2023   01:23:06   ( -73.17, -19.44) 07/24/2023   01:23:25  ( -73.16, -19.49)    1.84                19
 07/24/2023   02:13:52   (  73.12, 147.97) 07/24/2023   02:12:51  (  73.11, 148.07)    3.18                61