Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 4 21.  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   ( -76.18, 108.74) 04/23/2025   17:07:44  ( -76.08, 111.28)   68.52                67
 04/23/2025   17:57:12   (  75.67, -82.19) 04/23/2025   17:57:18  (  75.67, -82.32)    3.53                 6
 04/23/2025   18:47:55   ( -75.65,  85.20) 04/23/2025   18:46:46  ( -75.64,  85.23)    1.86                69
 04/26/2025   09:23:11   ( -75.73,-133.82) 04/26/2025   09:24:15  ( -75.76,-133.79)    3.50                64
 04/26/2025   10:13:56   (  75.68,  33.66) 04/26/2025   10:13:42  (  75.69,  33.64)    1.03                14
 04/26/2025   11:04:26   ( -75.06,-157.04) 04/26/2025   11:03:21  ( -75.11,-160.33)   94.33                65
 04/29/2025   01:39:55   ( -75.75, -17.99) 04/29/2025   01:40:39  ( -75.76, -17.92)    2.10                44
 04/29/2025   02:30:40   (  75.70, 149.47) 04/29/2025   02:30:06  (  75.68, 149.51)    2.84                34
 05/01/2025   17:56:37   ( -75.73,  97.95) 05/01/2025   17:57:02  ( -75.71,  97.86)    3.36                25
 05/01/2025   18:47:22   (  75.69, -94.59) 05/01/2025   18:46:28  (  75.69, -94.58)    0.79                54
 05/04/2025   09:22:43   (  76.04,  45.48) 05/04/2025   09:23:53  (  75.91,  46.70)   35.81                70
 05/04/2025   10:13:20   ( -75.73,-146.14) 05/04/2025   10:13:24  ( -75.74,-146.17)    1.39                 4