Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 11 13.  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)
 11/15/2025   14:01:54   ( -76.52, 159.11) 11/15/2025   14:02:59  ( -76.53, 159.22)    3.42                65
 11/15/2025   14:52:38   (  76.47, -33.40) 11/15/2025   14:52:26  (  76.47, -33.36)    1.33                12
 11/15/2025   15:43:09   ( -75.88, 136.10) 11/15/2025   15:42:05  ( -75.91, 132.48)   98.05                64
 11/18/2025   06:18:27   ( -76.52, -84.95) 11/18/2025   06:19:24  ( -76.51, -84.98)    1.32                57
 11/18/2025   07:09:11   (  76.47,  82.53) 11/18/2025   07:08:50  (  76.48,  82.59)    1.95                21
 11/20/2025   22:35:01   ( -76.53,  30.93) 11/20/2025   22:35:48  ( -76.53,  31.02)    2.27                47
 11/20/2025   23:25:45   (  76.49,-161.58) 11/20/2025   23:25:15  (  76.46,-161.59)    2.97                30
 11/23/2025   14:51:34   ( -76.52, 146.93) 11/23/2025   14:52:12  ( -76.52, 146.87)    1.59                38
 11/23/2025   15:42:18   (  76.47, -45.58) 11/23/2025   15:41:38  (  76.49, -45.58)    2.43                40
 11/26/2025   07:08:07   ( -76.51, -97.12) 11/26/2025   07:08:35  ( -76.51, -97.24)    3.18                28