Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 2 11.  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   (  47.75,   5.54) 02/12/2021   01:51:46  (  47.84,   5.06)   36.78                30
 02/12/2021   02:42:34   ( -46.00, 172.13) 02/12/2021   02:41:46  ( -46.04, 172.00)   10.75                48
 02/14/2021   18:07:27   (  48.30, 121.70) 02/14/2021   18:08:06  (  48.41, 121.17)   41.00                39
 02/14/2021   18:58:54   ( -46.04, -71.93) 02/14/2021   18:58:15  ( -46.07, -72.11)   14.40                39
 02/17/2021   10:23:39   (  48.78,-122.16) 02/17/2021   10:24:27  (  48.91,-122.75)   45.05                48
 02/17/2021   11:15:15   ( -46.01,  43.99) 02/17/2021   11:14:45  ( -46.04,  43.76)   18.15                30
 02/17/2021   11:42:56   (  51.01,  16.98) 02/17/2021   11:41:44  (  51.22,  18.15)   84.99                72
 02/20/2021   02:39:50   (  49.33,  -6.00) 02/20/2021   02:40:47  (  49.46,  -6.64)   49.04                57
 02/20/2021   03:31:35   ( -46.04, 159.94) 02/20/2021   03:31:13  ( -46.12, 159.67)   22.06                22
 02/20/2021   04:05:23   (  71.39, 115.19) 02/20/2021   04:04:10  (  71.70, 117.11)   75.76                73
 02/22/2021   18:56:01   (  49.81, 110.15) 02/22/2021   18:57:07  (  49.96, 109.45)   52.87                66
 02/22/2021   19:47:55   ( -46.01, -84.15) 02/22/2021   19:47:42  ( -46.07, -84.46)   25.49                13