Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 4 3.  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)
 04/04/2023   02:55:20   (  72.86, 136.61) 04/04/2023   02:56:14  (  72.88, 136.63)    2.09                54
 04/04/2023   03:46:03   ( -72.80, -55.95) 04/04/2023   03:45:43  ( -72.81, -55.87)    2.56                20
 04/06/2023   18:22:27   ( -72.85,  84.88) 04/06/2023   18:23:14  ( -72.84,  84.80)    3.10                47
 04/06/2023   19:13:13   (  72.79,-107.68) 04/06/2023   19:12:40  (  72.80,-107.63)    2.09                33
 04/09/2023   09:49:38   (  72.86,  33.12) 04/09/2023   09:50:11  (  72.85,  33.07)    1.96                33
 04/09/2023   10:40:21   ( -72.79,-159.43) 04/09/2023   10:39:40  ( -72.78,-159.43)    1.34                41
 04/12/2023   01:16:46   ( -72.87, -18.66) 04/12/2023   01:17:10  ( -72.84, -18.69)    3.03                24
 04/12/2023   02:07:32   (  72.81, 148.77) 04/12/2023   02:06:36  (  72.80, 148.86)    3.55                56
 04/14/2023   15:53:22   ( -73.50, 120.86) 04/14/2023   15:54:30  ( -73.39, 123.03)   69.88                68
 04/14/2023   16:43:56   (  72.86, -70.39) 04/14/2023   16:44:05  (  72.87, -70.37)    2.03                 9
 04/14/2023   17:34:39   ( -72.78,  97.08) 04/14/2023   17:33:35  ( -72.76,  97.04)    3.07                64