Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 2 7.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(AQUA) AQUA Lat/Lon    Distance(km)  Time Diff(sec)
 02/09/2021   09:35:05   (  47.22,-110.61) 02/09/2021   09:35:26  (  47.29,-111.03)   32.44                21
 02/09/2021   10:26:13   ( -46.05,  56.22) 02/09/2021   10:25:16  ( -46.09,  56.14)    7.37                57
 02/12/2021   01:51:16   (  47.78,   5.55) 02/12/2021   01:51:46  (  47.86,   5.07)   36.73                30
 02/12/2021   02:42:34   ( -46.03, 172.14) 02/12/2021   02:41:46  ( -46.07, 172.01)   10.66                48
 02/14/2021   18:07:28   (  48.27, 121.68) 02/14/2021   18:08:07  (  48.37, 121.15)   40.87                39
 02/14/2021   18:58:55   ( -46.01, -71.94) 02/14/2021   18:58:16  ( -46.04, -72.12)   14.29                39
 02/17/2021   10:23:38   (  48.82,-122.15) 02/17/2021   10:24:26  (  48.94,-122.74)   44.96                48
 02/17/2021   11:15:14   ( -46.05,  44.01) 02/17/2021   11:14:44  ( -46.07,  43.77)   18.22                30
 02/17/2021   11:42:47   (  50.52,  17.21) 02/17/2021   11:41:35  (  50.73,  18.37)   85.11                72
 02/20/2021   02:39:50   (  49.31,  -6.01) 02/20/2021   02:40:47  (  49.43,  -6.65)   48.88                57
 02/20/2021   03:31:35   ( -46.02, 159.93) 02/20/2021   03:31:13  ( -46.09, 159.66)   21.76                22