Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 7 6.  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)
 07/07/2025   13:30:53   ( -75.98, 165.31) 07/07/2025   13:31:50  ( -75.98, 165.20)    3.04                57
 07/07/2025   14:21:37   (  75.93, -27.21) 07/07/2025   14:21:16  (  75.96, -27.21)    2.96                21
 07/10/2025   05:47:34   ( -76.02, -78.93) 07/10/2025   05:48:18  ( -76.02, -78.79)    3.89                44
 07/10/2025   06:38:17   (  75.93,  88.70) 07/10/2025   06:37:45  (  75.94,  88.64)    2.57                32
 07/12/2025   22:04:13   ( -75.98,  37.12) 07/12/2025   22:04:47  ( -75.99,  37.03)    3.20                34
 07/12/2025   22:54:57   (  75.93,-155.40) 07/12/2025   22:54:13  (  75.97,-155.40)    4.25                44
 07/15/2025   14:20:52   ( -75.98, 153.01) 07/15/2025   14:21:14  ( -76.01, 152.96)    3.08                22
 07/15/2025   15:11:36   (  75.94, -39.52) 07/15/2025   15:10:41  (  75.93, -39.63)    3.18                55
 07/18/2025   05:47:00   (  76.55,  99.48) 07/18/2025   05:48:05  (  76.46, 102.67)   83.33                65
 07/18/2025   06:37:32   ( -75.99, -91.13) 07/18/2025   06:37:42  ( -76.01, -91.15)    1.80                10