Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 2 10.  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)
 02/12/2021   01:51:16   (  47.74,   5.53) 02/12/2021   01:51:46  (  47.83,   5.06)   36.79                30
 02/12/2021   02:42:33   ( -46.05, 172.15) 02/12/2021   02:41:45  ( -46.09, 172.02)   10.88                48
 02/14/2021   18:07:27   (  48.28, 121.69) 02/14/2021   18:08:06  (  48.40, 121.16)   41.03                39
 02/14/2021   18:58:54   ( -46.03, -71.93) 02/14/2021   18:58:15  ( -46.07, -72.11)   14.42                39
 02/17/2021   10:23:39   (  48.77,-122.17) 02/17/2021   10:24:27  (  48.90,-122.75)   45.11                48
 02/17/2021   11:15:14   ( -46.06,  44.01) 02/17/2021   11:14:44  ( -46.09,  43.78)   18.22                30
 02/17/2021   11:43:00   (  51.25,  16.87) 02/17/2021   11:41:48  (  51.47,  18.04)   84.98                72
 02/20/2021   02:39:50   (  49.31,  -6.00) 02/20/2021   02:40:47  (  49.46,  -6.64)   49.14                57
 02/20/2021   03:31:35   ( -46.03, 159.93) 02/20/2021   03:31:14  ( -46.05, 159.65)   22.07                21
 02/20/2021   04:05:27   (  71.61, 114.80) 02/20/2021   04:04:14  (  71.92, 116.72)   75.61                73
 02/22/2021   18:56:00   (  49.85, 110.17) 02/22/2021   18:57:06  (  50.01, 109.47)   53.04                66
 02/22/2021   19:47:54   ( -46.05, -84.13) 02/22/2021   19:47:41  ( -46.12, -84.44)   25.68                13