Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 9 16.  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)
 09/17/2025   17:38:09   ( -76.79, 102.36) 09/17/2025   17:39:14  ( -76.71, 105.78)   87.54                65
 09/17/2025   18:28:42   (  76.23, -88.14) 09/17/2025   18:28:50  (  76.22, -88.23)    2.80                 8
 09/17/2025   19:19:25   ( -76.20,  79.30) 09/17/2025   19:18:18  ( -76.19,  79.31)    1.11                67
 09/20/2025   09:54:40   ( -76.44,-140.32) 09/20/2025   09:55:52  ( -76.35,-139.57)   21.95                72
 09/20/2025   10:45:21   (  76.24,  27.76) 09/20/2025   10:45:20  (  76.24,  27.70)    1.62                 1
 09/20/2025   11:36:01   ( -76.11,-164.45) 09/20/2025   11:34:48  ( -76.16,-164.90)   13.40                73
 09/23/2025   02:11:15   ( -76.31, -23.91) 09/23/2025   02:12:22  ( -76.31, -23.84)    1.94                67
 09/23/2025   03:01:59   (  76.24, 143.65) 09/23/2025   03:01:49  (  76.24, 143.58)    1.76                10
 09/23/2025   03:52:32   ( -75.75, -47.28) 09/23/2025   03:51:26  ( -75.78, -50.21)   80.11                66
 09/25/2025   18:27:54   ( -76.32,  91.98) 09/25/2025   18:28:52  ( -76.30,  92.01)    2.18                58
 09/25/2025   19:18:38   (  76.26,-100.48) 09/25/2025   19:18:18  (  76.27,-100.43)    2.48                20
 09/28/2025   10:44:33   ( -76.33,-152.15) 09/28/2025   10:45:21  ( -76.32,-152.05)    2.87                48
 09/28/2025   11:35:17   (  76.27,  15.37) 09/28/2025   11:34:48  (  76.24,  15.36)    3.27                29