Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 12 28.  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)
 12/29/2023   16:25:44   ( -73.74, 116.04) 12/29/2023   16:26:02  ( -73.72, 116.03)    1.30                18
 12/29/2023   17:16:29   (  73.65, -76.44) 12/29/2023   17:15:29  (  73.64, -76.51)    2.19                60
 01/01/2024   07:52:41   (  73.73,  64.37) 01/01/2024   07:53:01  (  73.73,  64.29)    2.48                20
 01/01/2024   08:43:24   ( -73.66,-128.14) 01/01/2024   08:42:30  ( -73.66,-128.22)    2.39                54
 01/03/2024   23:19:36   ( -73.79,  12.54) 01/03/2024   23:20:00  ( -73.77,  12.63)    3.37                24
 01/04/2024   00:10:20   (  73.66,-179.85) 01/04/2024   00:09:27  (  73.68,-179.93)    2.98                53
 01/06/2024   14:46:32   (  73.76, -39.08) 01/06/2024   14:46:58  (  73.75, -39.15)    2.27                26
 01/06/2024   15:37:15   ( -73.68, 128.44) 01/06/2024   15:36:27  ( -73.69, 128.35)    3.04                48
 01/09/2024   06:13:27   ( -73.78, -90.80) 01/09/2024   06:13:57  ( -73.79, -90.82)    1.23                30
 01/09/2024   07:04:12   (  73.71,  76.66) 01/09/2024   07:03:24  (  73.69,  76.61)    3.01                48