Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 2 14.  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)
 02/14/2021   18:07:28   (  48.27, 121.68) 02/14/2021   18:08:07  (  48.37, 121.16)   40.92                39
 02/14/2021   18:58:55   ( -46.01, -71.94) 02/14/2021   18:58:16  ( -46.04, -72.12)   14.32                39
 02/17/2021   10:23:38   (  48.81,-122.15) 02/17/2021   10:24:26  (  48.93,-122.74)   44.97                48
 02/17/2021   11:15:14   ( -46.04,  44.01) 02/17/2021   11:14:44  ( -46.06,  43.77)   18.26                30
 02/17/2021   11:42:47   (  50.52,  17.21) 02/17/2021   11:41:35  (  50.73,  18.37)   84.99                72
 02/20/2021   02:39:50   (  49.31,  -6.01) 02/20/2021   02:40:47  (  49.43,  -6.65)   48.85                57
 02/20/2021   03:31:35   ( -46.02, 159.93) 02/20/2021   03:31:13  ( -46.08, 159.66)   21.70                22
 02/20/2021   04:05:11   (  70.78, 116.23) 02/20/2021   04:03:58  (  71.08, 118.11)   76.16                73
 02/22/2021   18:56:01   (  49.85, 110.17) 02/22/2021   18:57:07  (  49.97, 109.46)   52.69                66
 02/22/2021   19:47:55   ( -46.05, -84.13) 02/22/2021   19:47:42  ( -46.09, -84.45)   25.46                13
 02/22/2021   20:27:27   (  80.50, 143.40) 02/22/2021   20:26:14  (  80.97, 142.04)   58.07                73
 02/25/2021   12:04:16   ( -46.03,  31.79) 02/25/2021   12:04:11  ( -46.10,  31.43)   28.95                 5