Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 4 12.  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)
 04/13/2025   00:50:21   (  75.91, 173.46) 04/13/2025   00:51:32  (  75.79, 174.49)   31.49                71
 04/13/2025   01:40:59   ( -75.66, -18.37) 04/13/2025   01:41:02  ( -75.66, -18.25)    3.34                 3
 04/13/2025   02:31:42   (  75.52, 149.41) 04/13/2025   02:30:29  (  75.59, 149.20)   10.09                73
 04/15/2025   17:07:00   (  75.69, -69.92) 04/15/2025   17:08:00  (  75.70, -69.87)    1.76                60
 04/15/2025   17:57:42   ( -75.62,  97.63) 04/15/2025   17:57:29  ( -75.63,  97.55)    2.38                13
 04/18/2025   09:23:44   (  75.67,  46.04) 04/18/2025   09:24:27  (  75.68,  45.95)    2.59                43
 04/18/2025   10:14:27   ( -75.65,-146.56) 04/18/2025   10:13:55  ( -75.66,-146.49)    2.19                32
 04/21/2025   01:40:29   (  75.71, 161.80) 04/21/2025   01:40:52  (  75.72, 161.94)    3.81                23
 04/21/2025   02:31:11   ( -75.64, -30.64) 04/21/2025   02:30:21  ( -75.64, -30.64)    0.71                50
 04/23/2025   17:06:37   ( -76.16, 108.79) 04/23/2025   17:07:44  ( -76.08, 111.29)   67.41                67
 04/23/2025   17:57:13   (  75.71, -82.33) 04/23/2025   17:57:17  (  75.71, -82.19)    3.78                 4