Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 4 22.  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)
 04/23/2025   17:06:37   ( -76.16, 108.78) 04/23/2025   17:07:44  ( -76.09, 111.31)   67.91                67
 04/23/2025   17:57:13   (  75.70, -82.30) 04/23/2025   17:57:18  (  75.68, -82.28)    2.90                 5
 04/23/2025   18:47:55   ( -75.64,  85.24) 04/23/2025   18:46:46  ( -75.65,  85.26)    1.02                69
 04/26/2025   09:23:11   ( -75.72,-133.78) 04/26/2025   09:24:16  ( -75.72,-133.91)    3.71                65
 04/26/2025   10:13:55   (  75.67,  33.70) 04/26/2025   10:13:41  (  75.70,  33.67)    3.27                14
 04/26/2025   11:04:25   ( -75.05,-157.00) 04/26/2025   11:03:21  ( -75.07,-160.44)   98.57                64
 04/29/2025   01:39:54   ( -75.74, -17.96) 04/29/2025   01:40:38  ( -75.76, -17.91)    2.31                44
 04/29/2025   02:30:39   (  75.69, 149.51) 04/29/2025   02:30:05  (  75.68, 149.52)    1.14                34
 05/01/2025   17:56:37   ( -75.73,  97.98) 05/01/2025   17:57:01  ( -75.76,  98.00)    3.88                24
 05/01/2025   18:47:22   (  75.68, -94.56) 05/01/2025   18:46:28  (  75.68, -94.59)    0.71                54
 05/04/2025   09:22:42   (  75.98,  45.67) 05/04/2025   09:23:53  (  75.90,  46.68)   28.69                71
 05/04/2025   10:13:20   ( -75.72,-146.11) 05/04/2025   10:13:24  ( -75.73,-146.20)    2.44                 4