Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 4 1.  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)
 04/02/2025   08:33:59   ( -75.71,-122.06) 04/02/2025   08:35:12  ( -75.64,-121.81)   10.83                73
 04/02/2025   09:24:42   (  75.58,  45.69) 04/02/2025   09:24:39  (  75.57,  45.64)    1.89                 3
 04/02/2025   10:15:21   ( -75.36,-146.29) 04/02/2025   10:14:09  ( -75.45,-147.08)   24.21                72
 04/05/2025   00:50:43   ( -75.62,  -5.88) 04/05/2025   00:51:41  ( -75.61,  -6.01)    3.65                58
 04/05/2025   01:41:28   (  75.58, 161.57) 04/05/2025   01:41:07  (  75.59, 161.57)    1.01                21
 04/07/2025   17:07:29   ( -75.64, 109.96) 04/07/2025   17:08:08  ( -75.65, 109.97)    1.60                39
 04/07/2025   17:58:14   (  75.59, -82.60) 04/07/2025   17:57:35  (  75.57, -82.60)    2.25                39
 04/10/2025   09:24:14   ( -75.66,-134.24) 04/10/2025   09:24:34  ( -75.65,-134.15)    2.91                20
 04/10/2025   10:14:58   (  75.57,  33.36) 04/10/2025   10:14:01  (  75.57,  33.27)    2.42                57
 04/13/2025   00:50:19   (  75.82, 173.78) 04/13/2025   00:51:31  (  75.73, 174.33)   18.45                72
 04/13/2025   01:40:59   ( -75.65, -18.33) 04/13/2025   01:41:00  ( -75.66, -18.23)    2.92                 1