Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 6 15.  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)
 06/16/2025   04:08:15   (  75.91, 125.65) 06/16/2025   04:09:19  (  75.92, 125.64)    1.78                64
 06/16/2025   04:58:59   ( -75.88, -66.96) 06/16/2025   04:58:48  ( -75.85, -66.95)    4.10                11
 06/18/2025   20:24:56   (  75.92,-118.49) 06/18/2025   20:25:50  (  75.92,-118.50)    0.20                54
 06/18/2025   21:15:39   ( -75.85,  49.07) 06/18/2025   21:15:19  ( -75.85,  48.92)    4.12                20
 06/21/2025   12:41:37   (  75.94,  -2.65) 06/21/2025   12:42:20  (  75.95,  -2.54)    3.33                43
 06/21/2025   13:32:20   ( -75.86, 164.93) 06/21/2025   13:31:49  ( -75.88, 164.89)    2.29                31
 06/24/2025   04:58:16   (  75.91, 113.34) 06/24/2025   04:58:50  (  75.91, 113.23)    2.83                34
 06/24/2025   05:49:00   ( -75.88, -79.23) 06/24/2025   05:48:18  ( -75.89, -79.18)    2.33                42
 06/26/2025   21:14:57   (  75.94,-130.85) 06/26/2025   21:15:20  (  75.91,-130.89)    3.44                23