Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 4 7.  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)
 04/07/2025   17:07:28   ( -75.63, 109.97) 04/07/2025   17:08:07  ( -75.64, 109.93)    1.00                39
 04/07/2025   17:58:13   (  75.58, -82.57) 04/07/2025   17:57:34  (  75.57, -82.62)    2.33                39
 04/10/2025   09:24:14   ( -75.66,-134.26) 04/10/2025   09:24:33  ( -75.66,-134.11)    4.08                19
 04/10/2025   10:14:58   (  75.57,  33.36) 04/10/2025   10:14:00  (  75.59,  33.33)    2.24                58
 04/13/2025   00:50:18   (  75.78, 173.90) 04/13/2025   00:51:30  (  75.72, 174.30)   13.38                72
 04/13/2025   01:40:58   ( -75.62, -18.22) 04/13/2025   01:40:59  ( -75.64, -18.28)    2.93                 1
 04/13/2025   02:31:39   (  75.39, 149.84) 04/13/2025   02:30:28  (  75.47, 148.86)   28.57                71
 04/15/2025   17:07:01   (  75.71, -69.96) 04/15/2025   17:07:55  (  75.70, -69.86)    2.96                54
 04/15/2025   17:57:43   ( -75.63,  97.61) 04/15/2025   17:57:24  ( -75.62,  97.57)    1.48                19
 04/18/2025   09:23:44   (  75.69,  45.98) 04/18/2025   09:24:18  (  75.69,  46.00)    0.86                34
 04/18/2025   10:14:26   ( -75.62,-146.45) 04/18/2025   10:13:47  ( -75.61,-146.57)    3.35                39
 04/21/2025   01:40:28   (  75.69, 161.87) 04/21/2025   01:40:41  (  75.68, 161.88)    1.31                13