Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 2 6.  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)
 02/06/2021   17:18:54   (  46.72, 133.25) 02/06/2021   17:19:06  (  46.76, 132.89)   28.16                12
 02/06/2021   18:09:47   ( -46.41, -59.57) 02/06/2021   18:08:42  ( -46.40, -59.62)    4.26                65
 02/09/2021   09:35:05   (  47.22,-110.62) 02/09/2021   09:35:26  (  47.28,-111.03)   32.41                21
 02/09/2021   10:26:13   ( -46.05,  56.22) 02/09/2021   10:25:16  ( -46.08,  56.14)    7.30                57
 02/12/2021   01:51:16   (  47.77,   5.54) 02/12/2021   01:51:46  (  47.85,   5.07)   36.68                30
 02/12/2021   02:42:34   ( -46.03, 172.14) 02/12/2021   02:41:46  ( -46.06, 172.01)   10.58                48
 02/14/2021   18:07:28   (  48.26, 121.68) 02/14/2021   18:08:07  (  48.36, 121.15)   40.80                39
 02/14/2021   18:58:55   ( -46.00, -71.94) 02/14/2021   18:58:16  ( -46.03, -72.12)   14.25                39
 02/17/2021   10:23:39   (  48.81,-122.16) 02/17/2021   10:24:27  (  48.92,-122.75)   44.87                48
 02/17/2021   11:15:14   ( -46.04,  44.00) 02/17/2021   11:14:44  ( -46.05,  43.77)   18.27                30
 02/17/2021   11:42:41   (  50.18,  17.36) 02/17/2021   11:41:29  (  50.39,  18.52)   85.16                72
 02/20/2021   02:39:50   (  49.30,  -6.01) 02/20/2021   02:40:47  (  49.41,  -6.66)   48.77                57