Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 11 8.  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)
 11/10/2025   05:28:54   ( -76.88, -74.22) 11/10/2025   05:30:01  ( -76.78, -71.69)   64.84                67
 11/10/2025   06:19:29   (  76.45,  94.84) 11/10/2025   06:19:34  (  76.43,  94.75)    2.81                 5
 11/10/2025   07:10:13   ( -76.43, -97.77) 11/10/2025   07:09:02  ( -76.40, -97.71)    2.88                71
 11/12/2025   21:45:21   ( -76.58,  42.91) 11/12/2025   21:46:33  ( -76.52,  43.28)   11.97                72
 11/12/2025   22:36:03   (  76.46,-149.27) 11/12/2025   22:36:00  (  76.45,-149.31)    1.14                 3
 11/12/2025   23:26:42   ( -76.22,  18.96) 11/12/2025   23:25:31  ( -76.28,  17.77)   32.15                71
 11/15/2025   14:01:54   ( -76.52, 159.12) 11/15/2025   14:03:00  ( -76.51, 159.15)    0.88                66
 11/15/2025   14:52:38   (  76.48, -33.42) 11/15/2025   14:52:26  (  76.49, -33.29)    3.45                12
 11/15/2025   15:43:09   ( -75.88, 136.11) 11/15/2025   15:42:05  ( -75.93, 132.57)   96.09                64
 11/18/2025   06:18:28   ( -76.50, -84.88) 11/18/2025   06:19:26  ( -76.52, -84.92)    2.84                58
 11/18/2025   07:09:12   (  76.46,  82.59) 11/18/2025   07:08:53  (  76.45,  82.47)    3.28                19
 11/20/2025   22:35:03   ( -76.54,  30.91) 11/20/2025   22:35:52  ( -76.51,  30.91)    3.24                49
 11/20/2025   23:25:47   (  76.49,-161.61) 11/20/2025   23:25:18  (  76.48,-161.54)    2.73                29