Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 10 25.  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)
 10/27/2021   14:39:37   ( -69.15, 141.73) 10/27/2021   14:40:00  ( -69.15, 141.75)    1.06                23
 10/27/2021   15:29:05   (  64.92, -46.00) 10/27/2021   15:28:13  (  64.93, -46.03)    1.30                52
 10/30/2021   06:56:07   ( -69.83,-103.30) 10/30/2021   06:56:44  ( -69.82,-103.28)    0.99                37
 10/30/2021   07:45:40   (  65.90,  68.95) 10/30/2021   07:45:02  (  65.91,  68.91)    1.59                38
 11/01/2021   23:12:35   ( -70.39,  11.77) 11/01/2021   23:13:26  ( -70.39,  11.77)    0.26                51
 11/02/2021   00:02:12   (  66.72,-175.99) 11/02/2021   00:01:48  (  66.73,-176.05)    2.46                24
 11/04/2021   15:28:59   ( -70.75, 127.14) 11/04/2021   15:30:04  ( -70.75, 127.11)    1.25                65
 11/04/2021   16:18:58   (  68.29, -61.94) 11/04/2021   16:18:47  (  68.28, -61.92)    1.18                11
 11/07/2021   07:48:33   ( -79.62,-148.76) 11/07/2021   07:49:47  ( -79.95,-147.65)   42.48                74
 11/07/2021   08:35:22   (  68.72,  53.44) 11/07/2021   08:35:25  (  68.72,  53.42)    0.94                 3