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   (  76.41,-112.42) 10/19/2025   20:07:42  (  76.38,-112.44)    2.59                57
 10/19/2025   20:57:28   ( -76.34,  55.14) 10/19/2025   20:57:10  ( -76.35,  55.10)    1.83                18
 10/22/2025   12:23:21   (  76.40,   3.54) 10/22/2025   12:24:09  (  76.39,   3.48)    1.63                48
 10/22/2025   13:14:05   ( -76.37, 170.95) 10/22/2025   13:13:37  ( -76.36, 171.02)    2.14                28
 10/25/2025   04:39:56   (  76.40, 119.46) 10/25/2025   04:40:34  (  76.42, 119.45)    2.05                38
 10/25/2025   05:30:40   ( -76.37, -73.11) 10/25/2025   05:30:03  ( -76.34, -73.16)    3.13                37
 10/27/2025   20:56:32   (  76.41,-124.65) 10/27/2025   20:57:00  (  76.41,-124.68)    0.84                28
 10/27/2025   21:47:16   ( -76.38,  42.78) 10/27/2025   21:46:28  ( -76.39,  42.88)    2.66                48
 10/30/2025   13:13:08   (  76.43,  -8.79) 10/30/2025   13:13:25  (  76.42,  -8.76)    1.54                17