Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 18.  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)
 10/19/2025   20:06:45   (  76.39,-112.34) 10/19/2025   20:07:42  (  76.41,-112.35)    2.57                57
 10/19/2025   20:57:29   ( -76.36,  55.06) 10/19/2025   20:57:11  ( -76.33,  55.03)    3.63                18
 10/22/2025   12:23:21   (  76.42,   3.45) 10/22/2025   12:24:08  (  76.43,   3.59)    3.66                47
 10/22/2025   13:14:04   ( -76.35, 171.04) 10/22/2025   13:13:37  ( -76.35, 170.98)    1.55                27
 10/25/2025   04:39:57   (  76.42, 119.39) 10/25/2025   04:40:35  (  76.42, 119.45)    1.49                38
 10/25/2025   05:30:40   ( -76.34, -73.02) 10/25/2025   05:30:04  ( -76.34, -73.16)    3.71                36
 10/27/2025   20:56:33   (  76.42,-124.71) 10/27/2025   20:57:01  (  76.43,-124.63)    2.11                28
 10/27/2025   21:47:16   ( -76.35,  42.90) 10/27/2025   21:46:30  ( -76.36,  42.78)    3.35                46
 10/30/2025   13:13:09   (  76.44,  -8.83) 10/30/2025   13:13:27  (  76.41,  -8.79)    3.37                18