Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 5 17.  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)
 05/17/2025   18:46:09   (  75.80, -94.23) 05/17/2025   18:46:44  (  75.78, -94.20)    2.63                35
 05/17/2025   19:36:51   ( -75.72,  73.36) 05/17/2025   19:36:12  ( -75.75,  73.35)    3.17                39
 05/20/2025   11:02:51   (  75.80,  21.67) 05/20/2025   11:03:13  (  75.78,  21.69)    2.07                22
 05/20/2025   11:53:34   ( -75.76,-170.88) 05/20/2025   11:52:41  ( -75.75,-170.75)    3.47                53
 05/23/2025   02:29:00   ( -76.41, -31.96) 05/23/2025   02:30:04  ( -76.32, -28.37)   94.56                64
 05/23/2025   03:19:32   (  75.80, 137.54) 05/23/2025   03:19:40  (  75.81, 137.68)    3.94                 8
 05/23/2025   04:10:15   ( -75.76, -54.98) 05/23/2025   04:09:09  ( -75.74, -54.90)    2.86                66
 05/25/2025   18:45:30   ( -75.88,  85.86) 05/25/2025   18:46:42  ( -75.86,  86.06)    5.86                72
 05/25/2025   19:36:13   (  75.77,-106.45) 05/25/2025   19:36:09  (  75.78,-106.53)    2.33                 4
 05/25/2025   20:26:52   ( -75.54,  61.65) 05/25/2025   20:25:41  ( -75.56,  60.47)   32.76                71
 05/28/2025   11:02:11   ( -75.85,-158.14) 05/28/2025   11:03:10  ( -75.86,-158.05)    2.52                59
 05/28/2025   11:52:55   (  75.79,   9.37) 05/28/2025   11:52:37  (  75.78,   9.36)    1.50                18
 05/31/2025   03:18:52   ( -75.83, -42.16) 05/31/2025   03:19:38  ( -75.84, -42.21)    1.98                46