Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 1 18.  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)
 01/20/2025   07:45:10   ( -75.33,-110.36) 01/20/2025   07:46:14  ( -75.33,-110.26)    2.76                64
 01/20/2025   08:35:54   (  75.25,  57.21) 01/20/2025   08:35:41  (  75.26,  57.19)    1.16                13
 01/20/2025   09:26:25   ( -74.63,-133.66) 01/20/2025   09:25:20  ( -74.68,-136.69)   89.51                65
 01/23/2025   00:02:04   ( -75.30,   5.58) 01/23/2025   00:02:41  ( -75.30,   5.56)    1.05                37
 01/23/2025   00:52:48   (  75.22, 173.13) 01/23/2025   00:52:08  (  75.23, 173.00)    3.67                40
 01/25/2025   15:28:24   (  75.76, -47.39) 01/25/2025   15:29:32  (  75.66, -45.17)   61.90                68
 01/25/2025   16:18:58   ( -75.28, 121.49) 01/25/2025   16:19:07  ( -75.29, 121.42)    2.60                 9
 01/25/2025   17:09:43   (  75.25, -71.13) 01/25/2025   17:08:33  (  75.26, -71.01)    3.60                70
 01/28/2025   07:45:09   (  75.34,  69.82) 01/28/2025   07:46:03  (  75.36,  69.87)    3.17                54
 01/28/2025   08:35:52   ( -75.27,-122.65) 01/28/2025   08:35:32  ( -75.29,-122.69)    2.94                20
 01/31/2025   00:02:02   (  75.35,-174.37) 01/31/2025   00:02:27  (  75.32,-174.34)    2.88                25