Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 1 2.  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)
 01/04/2023   10:33:48   (  72.48,  21.68) 01/04/2023   10:34:23  (  72.49,  21.62)    2.67                35
 01/04/2023   11:24:32   ( -72.43,-170.91) 01/04/2023   11:23:52  ( -72.43,-170.87)    1.27                40
 01/07/2023   02:01:05   ( -72.51, -30.19) 01/07/2023   02:01:25  ( -72.50, -30.13)    2.38                20
 01/07/2023   02:51:49   (  72.38, 137.39) 01/07/2023   02:50:52  (  72.41, 137.34)    3.22                57
 01/09/2023   16:37:44   ( -72.86, 109.99) 01/09/2023   16:38:55  ( -72.77, 110.98)   34.25                71
 01/09/2023   17:28:23   (  72.48, -81.92) 01/09/2023   17:28:26  (  72.46, -81.96)    2.79                 3
 01/09/2023   18:19:07   ( -72.42,  85.52) 01/09/2023   18:17:55  ( -72.40,  85.57)    2.72                72
 01/12/2023   08:04:56   (  72.54,  58.86) 01/12/2023   08:05:59  (  72.55,  58.81)    1.98                63
 01/12/2023   08:55:40   ( -72.47,-133.69) 01/12/2023   08:55:28  ( -72.49,-133.66)    2.17                12
 01/12/2023   09:46:13   (  71.79,  34.95) 01/12/2023   09:45:05  (  71.85,  32.84)   73.68                68
 01/14/2023   23:32:13   ( -72.53,   7.09) 01/14/2023   23:33:01  ( -72.56,   7.07)    3.00                48
 01/15/2023   00:22:58   (  72.47, 174.53) 01/15/2023   00:22:28  (  72.45, 174.52)    1.56                30