Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 3 23.  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)
 03/24/2023   13:06:53   (  73.55, -17.90) 03/24/2023   13:07:59  (  73.45, -15.17)   87.10                66
 03/24/2023   13:57:22   ( -72.79, 151.11) 03/24/2023   13:57:39  ( -72.80, 151.16)    1.59                17
 03/24/2023   14:48:08   (  72.72, -41.44) 03/24/2023   14:47:06  (  72.71, -41.37)    3.04                62
 03/27/2023   04:33:55   ( -73.18, -68.82) 03/27/2023   04:35:06  ( -73.07, -67.70)   38.24                71
 03/27/2023   05:24:34   (  72.77,  99.39) 03/27/2023   05:24:37  (  72.76,  99.35)    1.44                 3
 03/27/2023   06:15:17   ( -72.71, -93.16) 03/27/2023   06:14:06  ( -72.70, -93.14)    1.52                71
 03/29/2023   20:00:59   (  72.83,-119.80) 03/29/2023   20:02:06  (  72.84,-119.89)    3.34                67
 03/29/2023   20:51:42   ( -72.76,  47.65) 03/29/2023   20:51:35  ( -72.77,  47.62)    1.63                 7
 03/29/2023   21:42:19   (  72.24,-143.98) 03/29/2023   21:41:10  (  72.25,-145.71)   58.62                69
 04/01/2023   11:28:09   ( -72.88,-171.67) 04/01/2023   11:29:04  ( -72.88,-171.57)    3.21                55
 04/01/2023   12:18:54   (  72.77,  -4.13) 04/01/2023   12:18:31  (  72.78,  -4.12)    0.79                23
 04/04/2023   02:55:20   (  72.85, 136.63) 04/04/2023   02:56:00  (  72.84, 136.63)    1.15                40
 04/04/2023   03:46:03   ( -72.78, -55.91) 04/04/2023   03:45:29  ( -72.78, -55.86)    1.72                34