Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 6 21.  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   (  75.92,  -2.60) 06/21/2025   12:42:20  (  75.91,  -2.65)    1.77                44
 06/21/2025   13:32:20   ( -75.90, 164.80) 06/21/2025   13:31:48  ( -75.88, 164.91)    3.37                32
 06/24/2025   04:58:17   (  75.94, 113.23) 06/24/2025   04:58:50  (  75.93, 113.29)    2.20                33
 06/24/2025   05:49:00   ( -75.87, -79.20) 06/24/2025   05:48:19  ( -75.86, -79.30)    3.03                41
 06/26/2025   21:14:57   (  75.92,-130.79) 06/26/2025   21:15:20  (  75.93,-130.82)    1.50                23
 06/26/2025   22:05:41   ( -75.89,  36.63) 06/26/2025   22:04:49  ( -75.86,  36.61)    3.00                52
 06/29/2025   13:31:38   (  75.95, -14.99) 06/29/2025   13:31:50  (  75.93, -14.96)    2.67                12
 06/29/2025   14:22:21   ( -75.87, 152.60) 06/29/2025   14:21:19  ( -75.86, 152.48)    3.36                62
 07/02/2025   04:57:39   ( -76.24, -67.45) 07/02/2025   04:58:49  ( -76.13, -66.08)   38.26                70
 07/02/2025   05:48:17   (  75.94, 100.96) 07/02/2025   05:48:18  (  75.96, 101.02)    2.89                 1
 07/02/2025   06:39:00   ( -75.86, -91.45) 07/02/2025   06:37:47  ( -75.89, -91.54)    4.77                73
 07/04/2025   21:14:14   ( -76.01,  49.31) 07/04/2025   21:15:21  ( -76.01,  49.42)    3.07                67
 07/04/2025   22:04:57   (  75.93,-143.10) 07/04/2025   22:04:48  (  75.93,-143.19)    2.26                 9