Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 2 21.  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)
 02/23/2023   12:48:51   ( -72.70, 168.08) 02/23/2023   12:49:58  ( -72.72, 168.03)    3.22                67
 02/23/2023   13:39:36   (  72.61, -24.45) 02/23/2023   13:39:25  (  72.63, -24.49)    2.70                11
 02/23/2023   14:30:11   ( -72.11, 143.88) 02/23/2023   14:29:01  ( -72.19, 142.32)   53.88                70
 02/26/2023   04:16:06   (  72.72, 116.25) 02/26/2023   04:16:55  (  72.72, 116.28)    1.09                49
 02/26/2023   05:06:49   ( -72.62, -76.23) 02/26/2023   05:06:24  ( -72.65, -76.22)    2.77                25
 02/28/2023   19:43:18   ( -72.69,  64.54) 02/28/2023   19:43:54  ( -72.70,  64.50)    1.56                36
 02/28/2023   20:34:03   (  72.61,-127.98) 02/28/2023   20:33:21  (  72.61,-128.03)    1.54                42
 03/03/2023   11:10:31   (  72.69,  12.76) 03/03/2023   11:10:49  (  72.69,  12.74)    1.15                18
 03/03/2023   12:01:14   ( -72.60,-179.73) 03/03/2023   12:00:18  ( -72.62,-179.76)    2.43                56
 03/06/2023   01:47:04   (  73.00, 153.03) 03/06/2023   01:48:15  (  72.89, 153.76)   26.17                71
 03/06/2023   02:37:43   ( -72.70, -39.02) 03/06/2023   02:37:46  ( -72.72, -38.94)    3.54                 3