Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 1 20.  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)
 01/20/2025   07:45:10   ( -75.33,-110.37) 01/20/2025   07:46:14  ( -75.32,-110.28)    2.84                64
 01/20/2025   08:35:54   (  75.25,  57.20) 01/20/2025   08:35:41  (  75.25,  57.17)    0.76                13
 01/20/2025   09:26:25   ( -74.63,-133.67) 01/20/2025   09:25:19  ( -74.72,-136.58)   86.28                66
 01/23/2025   00:02:04   ( -75.30,   5.56) 01/23/2025   00:02:41  ( -75.28,   5.51)    2.70                37
 01/23/2025   00:52:49   (  75.27, 172.96) 01/23/2025   00:52:07  (  75.26, 173.09)    3.79                42
 01/25/2025   15:28:24   (  75.77, -47.43) 01/25/2025   15:29:31  (  75.68, -45.13)   63.86                67
 01/25/2025   16:18:58   ( -75.29, 121.44) 01/25/2025   16:19:06  ( -75.30, 121.45)    1.25                 8
 01/25/2025   17:09:42   (  75.22, -71.03) 01/25/2025   17:08:33  (  75.22, -71.12)    2.68                69
 01/28/2025   07:45:09   (  75.36,  69.75) 01/28/2025   07:46:02  (  75.35,  69.83)    2.68                53
 01/28/2025   08:35:52   ( -75.29,-122.72) 01/28/2025   08:35:31  ( -75.27,-122.73)    2.00                21
 01/31/2025   00:02:01   (  75.33,-174.32) 01/31/2025   00:02:25  (  75.32,-174.34)    1.50                24
 01/31/2025   00:52:44   ( -75.26,  -6.78) 01/31/2025   00:51:54  ( -75.25,  -6.90)    3.61                50
 02/02/2025   15:28:10   ( -75.37, 134.08) 02/02/2025   15:29:21  ( -75.38, 134.10)    1.26                71
 02/02/2025   16:18:54   (  75.32, -58.44) 02/02/2025   16:18:48  (  75.30, -58.49)    2.84                 6