Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 6 19.  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)
 06/21/2025   12:41:36   (  75.91,  -2.57) 06/21/2025   12:42:20  (  75.92,  -2.63)    1.44                44
 06/21/2025   13:32:20   ( -75.89, 164.83) 06/21/2025   13:31:48  ( -75.89, 164.94)    2.87                32
 06/24/2025   04:58:17   (  75.94, 113.25) 06/24/2025   04:58:50  (  75.93, 113.29)    1.20                33
 06/24/2025   05:49:00   ( -75.86, -79.17) 06/24/2025   05:48:19  ( -75.86, -79.29)    3.17                41
 06/26/2025   21:14:57   (  75.92,-130.77) 06/26/2025   21:15:20  (  75.92,-130.84)    2.12                23
 06/26/2025   22:05:41   ( -75.88,  36.65) 06/26/2025   22:04:49  ( -75.86,  36.59)    3.24                52
 06/29/2025   13:31:37   (  75.95, -14.97) 06/29/2025   13:31:48  (  75.96, -14.87)    3.13                11
 06/29/2025   14:22:20   ( -75.87, 152.62) 06/29/2025   14:21:17  ( -75.89, 152.57)    3.05                63
 07/02/2025   04:57:38   ( -76.19, -67.27) 07/02/2025   04:58:49  ( -76.10, -66.18)   30.76                71
 07/02/2025   05:48:17   (  75.93, 100.97) 07/02/2025   05:48:18  (  75.92, 100.91)    2.03                 1