Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 4 8.  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)
 04/10/2025   09:24:14   ( -75.64,-134.18) 04/10/2025   09:24:34  ( -75.64,-134.16)    0.48                20
 04/10/2025   10:14:59   (  75.59,  33.29) 04/10/2025   10:14:01  (  75.57,  33.28)    2.15                58
 04/13/2025   00:50:18   (  75.80, 173.84) 04/13/2025   00:51:30  (  75.71, 174.28)   15.78                72
 04/13/2025   01:40:58   ( -75.64, -18.29) 04/13/2025   01:40:59  ( -75.63, -18.30)    0.57                 1
 04/13/2025   02:31:39   (  75.40, 149.78) 04/13/2025   02:30:28  (  75.46, 148.85)   26.86                71
 04/15/2025   17:07:00   (  75.67, -69.85) 04/15/2025   17:07:55  (  75.71, -69.83)    3.85                55
 04/15/2025   17:57:43   ( -75.65,  97.57) 04/15/2025   17:57:24  ( -75.63,  97.59)    1.45                19
 04/18/2025   09:23:45   (  75.70,  45.96) 04/18/2025   09:24:20  (  75.67,  45.95)    3.35                35
 04/18/2025   10:14:27   ( -75.62,-146.47) 04/18/2025   10:13:48  ( -75.65,-146.48)    2.53                39
 04/21/2025   01:40:29   (  75.69, 161.87) 04/21/2025   01:40:43  (  75.69, 161.90)    0.72                14