Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 12 7.  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)
 12/08/2023   11:59:25   (  73.68,   2.40) 12/08/2023   12:00:09  (  73.70,   2.47)    2.94                44
 12/08/2023   12:50:08   ( -73.63, 169.84) 12/08/2023   12:49:38  ( -73.62, 169.94)    3.16                30
 12/11/2023   03:26:21   ( -73.67, -49.28) 12/11/2023   03:27:09  ( -73.66, -49.35)    2.60                48
 12/11/2023   04:17:07   (  73.62, 118.15) 12/11/2023   04:16:35  (  73.63, 118.22)    2.12                32
 12/13/2023   18:53:19   (  73.68,-100.99) 12/13/2023   18:54:04  (  73.69,-101.02)    1.77                45
 12/13/2023   19:44:02   ( -73.62,  66.46) 12/13/2023   19:43:33  ( -73.63,  66.46)    0.27                29
 12/16/2023   10:20:16   ( -73.73,-152.81) 12/16/2023   10:21:02  ( -73.72,-152.71)    3.51                46
 12/16/2023   11:11:01   (  73.64,  14.72) 12/16/2023   11:10:29  (  73.63,  14.73)    1.47                32
 12/19/2023   01:47:14   (  73.71, 155.55) 12/19/2023   01:47:58  (  73.70, 155.51)    2.27                44
 12/19/2023   02:37:57   ( -73.65, -36.98) 12/19/2023   02:37:27  ( -73.63, -37.00)    1.80                30