Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 1 26.  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)
 01/28/2023   03:57:51   ( -72.58, -59.26) 01/28/2023   03:58:48  ( -72.60, -59.33)    3.27                57
 01/28/2023   04:48:35   (  72.51, 108.18) 01/28/2023   04:48:14  (  72.51, 108.14)    1.69                21
 01/30/2023   19:25:07   (  72.60,-111.09) 01/30/2023   19:25:48  (  72.62,-111.06)    2.28                41
 01/30/2023   20:15:51   ( -72.53,  56.37) 01/30/2023   20:15:18  ( -72.51,  56.36)    2.67                33
 02/02/2023   10:52:22   ( -72.57,-162.82) 02/02/2023   10:52:52  ( -72.59,-162.88)    2.61                30
 02/02/2023   11:43:07   (  72.51,   4.62) 02/02/2023   11:42:19  (  72.49,   4.58)    3.12                48
 02/05/2023   01:29:08   ( -73.38, -23.67) 02/05/2023   01:30:14  ( -73.27, -20.95)   87.63                66
 02/05/2023   02:19:38   (  72.57, 145.40) 02/05/2023   02:19:52  (  72.59, 145.36)    2.24                14
 02/05/2023   03:10:22   ( -72.50, -47.13) 02/05/2023   03:09:22  ( -72.48, -47.21)    3.18                60
 02/07/2023   16:56:12   (  72.79, -74.15) 02/07/2023   16:57:24  (  72.71, -73.80)   14.71                72
 02/07/2023   17:46:54   ( -72.62,  93.53) 02/07/2023   17:46:54  ( -72.60,  93.63)    3.50                 0