Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 5 3.  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)
 05/04/2025   10:13:20   ( -75.75,-146.21) 05/04/2025   10:13:47  ( -75.77,-146.16)    3.05                27
 05/04/2025   11:04:05   (  75.70,  21.27) 05/04/2025   11:03:14  (  75.71,  21.28)    1.03                51
 05/07/2025   01:39:33   (  76.37, 160.15) 05/07/2025   01:40:37  (  76.28, 163.64)   92.28                64
 05/07/2025   02:30:03   ( -75.76, -30.34) 05/07/2025   02:30:15  ( -75.76, -30.32)    0.91                12
 05/07/2025   03:20:48   (  75.71, 137.12) 05/07/2025   03:19:42  (  75.69, 137.12)    2.04                66
 05/09/2025   17:56:03   (  75.80, -81.93) 05/09/2025   17:57:14  (  75.79, -81.99)    2.38                71
 05/09/2025   18:46:46   ( -75.77,  85.50) 05/09/2025   18:46:42  ( -75.77,  85.57)    2.00                 4
 05/09/2025   19:37:23   (  75.36,-105.85) 05/09/2025   19:36:14  (  75.44,-107.71)   53.08                69
 05/12/2025   10:12:44   (  75.79,  34.02) 05/12/2025   10:13:39  (  75.81,  33.94)    2.96                55
 05/12/2025   11:03:27   ( -75.75,-158.54) 05/12/2025   11:03:08  ( -75.74,-158.64)    3.24                19
 05/15/2025   02:29:27   (  75.83, 149.77) 05/15/2025   02:30:04  (  75.84, 149.92)    4.05                37
 05/15/2025   03:20:09   ( -75.74, -42.61) 05/15/2025   03:19:33  ( -75.77, -42.65)    3.20                36