Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 9 14.  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)
 09/15/2025   02:12:03   (  76.22, 156.00) 09/15/2025   02:12:19  (  76.25, 156.00)    3.65                16
 09/15/2025   03:02:46   ( -76.19, -36.58) 09/15/2025   03:01:48  ( -76.18, -36.61)    1.93                58
 09/17/2025   17:38:09   ( -76.82, 102.26) 09/17/2025   17:39:13  ( -76.74, 105.86)   92.14                64
 09/17/2025   18:28:42   (  76.26, -88.24) 09/17/2025   18:28:49  (  76.24, -88.16)    3.10                 7
 09/17/2025   19:19:24   ( -76.18,  79.37) 09/17/2025   19:18:18  ( -76.17,  79.24)    3.75                66
 09/20/2025   09:54:40   ( -76.47,-140.42) 09/20/2025   09:55:52  ( -76.34,-139.63)   25.22                72
 09/20/2025   10:45:21   (  76.26,  27.66) 09/20/2025   10:45:19  (  76.27,  27.80)    3.61                 2
 09/20/2025   11:36:02   ( -76.13,-164.54) 09/20/2025   11:34:48  ( -76.20,-164.80)    9.66                74
 09/23/2025   02:11:15   ( -76.29, -23.83) 09/23/2025   02:12:23  ( -76.30, -23.86)    1.56                68
 09/23/2025   03:01:59   (  76.23, 143.72) 09/23/2025   03:01:50  (  76.23, 143.56)    4.29                 9
 09/23/2025   03:52:33   ( -75.77, -47.36) 09/23/2025   03:51:26  ( -75.82, -50.08)   74.28                67
 09/25/2025   18:27:54   ( -76.29,  92.06) 09/25/2025   18:28:53  ( -76.30,  92.03)    1.34                59
 09/25/2025   19:18:38   (  76.24,-100.41) 09/25/2025   19:18:20  (  76.23,-100.57)    4.22                18
 09/28/2025   10:44:32   ( -76.30,-152.07) 09/28/2025   10:45:22  ( -76.29,-152.13)    2.22                50
 09/28/2025   11:35:16   (  76.25,  15.44) 09/28/2025   11:34:48  (  76.26,  15.42)    1.49                28