Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 9 2.  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)
 09/03/2021   22:40:07   (  64.19,-153.53) 09/03/2021   22:40:29  (  64.18,-153.51)    1.19                22
 09/03/2021   23:28:50   ( -57.50,  18.86) 09/03/2021   23:27:58  ( -57.50,  18.86)    0.15                52
 09/06/2021   14:56:39   (  65.01, -38.38) 09/06/2021   14:57:12  (  65.01, -38.37)    0.57                33
 09/06/2021   15:45:29   ( -58.73, 134.01) 09/06/2021   15:44:48  ( -58.74, 133.99)    1.11                41
 09/09/2021   07:13:09   (  65.67,  76.90) 09/09/2021   07:13:53  (  65.67,  76.89)    0.52                44
 09/09/2021   08:02:29   ( -61.09,-111.72) 09/09/2021   08:01:58  ( -61.08,-111.68)    2.02                31
 09/11/2021   23:29:37   (  66.22,-167.74) 09/11/2021   23:30:32  (  66.23,-167.78)    2.12                55
 09/12/2021   00:19:01   ( -61.87,   3.62) 09/12/2021   00:18:41  ( -61.87,   3.63)    0.37                20
 09/14/2021   15:46:19   (  67.53, -53.29) 09/14/2021   15:47:24  (  67.52, -53.28)    0.76                65