Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 5 25.  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)
 05/25/2025   18:45:34   ( -76.04,  85.31) 05/25/2025   18:46:45  ( -75.94,  86.29)   28.40                71
 05/25/2025   19:36:14   (  75.79,-106.50) 05/25/2025   19:36:14  (  75.78,-106.56)    1.73                 0
 05/25/2025   20:26:56   ( -75.69,  61.12) 05/25/2025   20:25:42  ( -75.75,  60.99)    7.00                74
 05/28/2025   11:02:12   ( -75.86,-158.18) 05/28/2025   11:03:16  ( -75.87,-158.04)    3.76                64
 05/28/2025   11:52:56   (  75.80,   9.35) 05/28/2025   11:52:43  (  75.80,   9.40)    1.26                13
 05/28/2025   12:43:27   ( -75.19, 178.63) 05/28/2025   12:42:22  ( -75.23, 175.40)   91.62                65
 05/31/2025   03:18:52   ( -75.83, -42.17) 05/31/2025   03:19:45  ( -75.83, -42.27)    2.88                53
 05/31/2025   04:09:37   (  75.82, 125.19) 05/31/2025   04:09:11  (  75.81, 125.31)    3.23                26
 06/02/2025   19:35:34   ( -75.84,  73.68) 06/02/2025   19:36:14  ( -75.83,  73.61)    2.57                40
 06/02/2025   20:26:18   (  75.79,-118.83) 06/02/2025   20:25:40  (  75.80,-118.82)    1.36                38
 06/05/2025   11:52:16   ( -75.87,-170.50) 06/05/2025   11:52:42  ( -75.86,-170.41)    2.37                26
 06/05/2025   12:42:59   (  75.77,  -2.87) 06/05/2025   12:42:09  (  75.78,  -3.00)    3.82                50