Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 7 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)
 07/21/2023   09:55:59   (  73.18,  32.27) 07/21/2023   09:56:21  (  73.17,  32.31)    1.55                22
 07/21/2023   10:46:42   ( -73.12,-160.27) 07/21/2023   10:45:50  ( -73.10,-160.20)    2.87                52
 07/24/2023   00:32:37   (  73.94, 171.43) 07/24/2023   00:33:43  (  73.84, 174.34)   90.46                66
 07/24/2023   01:23:06   ( -73.18, -19.47) 07/24/2023   01:23:23  ( -73.20, -19.39)    3.39                17
 07/24/2023   02:13:52   (  73.12, 147.97) 07/24/2023   02:12:50  (  73.11, 148.07)    3.68                62
 07/26/2023   15:59:41   ( -73.79, 120.05) 07/26/2023   16:00:48  ( -73.69, 122.26)   69.61                67
 07/26/2023   16:50:16   (  73.19, -71.25) 07/26/2023   16:50:23  (  73.18, -71.17)    2.62                 7
 07/26/2023   17:40:58   ( -73.08,  96.33) 07/26/2023   17:39:53  ( -73.07,  96.23)    3.30                65
 07/29/2023   07:26:42   (  73.42,  69.19) 07/29/2023   07:27:53  (  73.34,  69.76)   20.30                71
 07/29/2023   08:17:21   ( -73.15,-122.89) 07/29/2023   08:17:24  ( -73.17,-122.95)    2.79                 3
 07/29/2023   09:08:05   (  72.99,  44.75) 07/29/2023   09:06:52  (  73.02,  44.40)   11.95                73
 07/31/2023   22:53:45   ( -73.23,  17.87) 07/31/2023   22:54:56  ( -73.25,  17.83)    2.55                71
 07/31/2023   23:44:31   (  73.18,-174.70) 07/31/2023   23:44:23  (  73.15,-174.72)    2.94                 8