Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 8 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)
 08/03/2023   14:21:00   (  73.53, -34.57) 08/03/2023   14:22:11  (  73.44, -33.59)   32.25                71
 08/03/2023   15:11:37   ( -73.18, 133.56) 08/03/2023   15:11:44  ( -73.16, 133.47)    3.31                 7
 08/03/2023   16:02:23   (  73.11, -58.99) 08/03/2023   16:01:10  (  73.13, -58.95)    2.66                73
 08/06/2023   05:48:05   ( -73.47, -86.17) 08/06/2023   05:49:17  ( -73.34, -85.56)   23.88                72
 08/06/2023   06:38:47   (  73.21,  81.73) 08/06/2023   06:38:45  (  73.20,  81.79)    2.14                 2
 08/06/2023   07:29:28   ( -73.05,-110.60) 08/06/2023   07:28:15  ( -73.09,-110.81)    7.78                73
 08/08/2023   21:15:10   (  73.27,-137.45) 08/08/2023   21:16:20  (  73.25,-137.50)    2.72                70
 08/08/2023   22:05:53   ( -73.21,  30.00) 08/08/2023   22:05:49  ( -73.19,  30.01)    2.01                 4
 08/08/2023   22:56:31   (  72.75,-161.69) 08/08/2023   22:55:21  (  72.83,-163.06)   46.22                70
 08/11/2023   12:42:15   ( -73.27, 170.81) 08/11/2023   12:43:22  ( -73.27, 170.77)    1.24                67
 08/11/2023   13:33:01   (  73.22, -21.76) 08/11/2023   13:32:48  (  73.23, -21.67)    3.06                13
 08/11/2023   14:23:35   ( -72.70, 146.68) 08/11/2023   14:22:25  ( -72.75, 145.01)   55.27                70
 08/14/2023   04:09:24   (  73.29, 119.02) 08/14/2023   04:10:22  (  73.28, 119.04)    1.63                58
 08/14/2023   05:00:07   ( -73.22, -73.50) 08/14/2023   04:59:51  ( -73.22, -73.44)    2.19                16