Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 12.  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)
 10/14/2025   11:33:34   (  76.46,  15.53) 10/14/2025   11:34:46  (  76.41,  15.88)   10.80                72
 10/14/2025   12:24:16   ( -76.35,-176.75) 10/14/2025   12:24:15  ( -76.33,-176.74)    2.42                 1
 10/14/2025   13:14:55   (  76.09,  -8.44) 10/14/2025   13:13:44  (  76.17,  -9.62)   32.80                71
 10/17/2025   03:50:08   (  76.39, 131.73) 10/17/2025   03:51:14  (  76.38, 131.68)    1.42                66
 10/17/2025   04:40:52   ( -76.36, -60.86) 10/17/2025   04:40:42  ( -76.36, -60.77)    2.57                10
 10/17/2025   05:31:23   (  75.74, 108.69) 10/17/2025   05:30:19  (  75.80, 105.13)   97.69                64
 10/19/2025   20:06:45   (  76.41,-112.44) 10/19/2025   20:07:42  (  76.38,-112.44)    3.26                57
 10/19/2025   20:57:28   ( -76.34,  55.15) 10/19/2025   20:57:10  ( -76.36,  55.12)    2.32                18
 10/22/2025   12:23:21   (  76.40,   3.54) 10/22/2025   12:24:09  (  76.40,   3.51)    0.79                48
 10/22/2025   13:14:05   ( -76.37, 170.97) 10/22/2025   13:13:37  ( -76.38, 171.08)    3.22                28
 10/25/2025   04:39:57   (  76.39, 119.48) 10/25/2025   04:40:36  (  76.40, 119.38)    2.59                39
 10/25/2025   05:30:41   ( -76.36, -73.07) 10/25/2025   05:30:04  ( -76.38, -73.04)    2.17                37