Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 12 19.  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)
 12/19/2023   03:28:38   (  73.35, 131.03) 12/19/2023   03:27:27  (  73.43, 130.09)   31.37                71
 12/21/2023   17:14:16   ( -74.07, 102.98) 12/21/2023   17:15:27  ( -73.95, 104.17)   38.67                71
 12/21/2023   18:04:55   (  73.68, -88.75) 12/21/2023   18:04:58  (  73.66, -88.82)    2.72                 3
 12/21/2023   18:55:38   ( -73.62,  78.70) 12/21/2023   18:54:27  ( -73.60,  78.67)    2.71                71
 12/24/2023   08:41:17   (  74.21,  50.92) 12/24/2023   08:42:25  (  74.12,  52.80)   58.07                68
 12/24/2023   09:31:51   ( -73.70,-140.51) 12/24/2023   09:32:01  ( -73.70,-140.51)    0.88                10
 12/24/2023   10:22:36   (  73.61,  27.02) 12/24/2023   10:21:28  (  73.61,  26.94)    2.65                68
 12/27/2023   00:08:18   ( -74.48,  -1.49) 12/27/2023   00:09:23  ( -74.39,   1.66)   94.54                65
 12/27/2023   00:58:49   (  73.71, 167.78) 12/27/2023   00:59:01  (  73.73, 167.81)    2.20                12
 12/27/2023   01:49:32   ( -73.65, -24.74) 12/27/2023   01:48:30  ( -73.67, -24.69)    3.23                62
 12/29/2023   16:25:45   ( -73.75, 116.01) 12/29/2023   16:26:04  ( -73.72, 116.02)    3.54                19
 12/29/2023   17:16:30   (  73.67, -76.49) 12/29/2023   17:15:30  (  73.68, -76.43)    2.06                60
 01/01/2024   07:52:41   (  73.74,  64.34) 01/01/2024   07:53:02  (  73.75,  64.33)    0.70                21
 01/01/2024   08:43:24   ( -73.66,-128.16) 01/01/2024   08:42:31  ( -73.69,-128.16)    3.17                53