Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 5.  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)
 07/06/2021   22:06:18   ( -54.34,  40.64) 07/06/2021   22:06:37  ( -54.34,  40.67)    1.68                19
 07/06/2021   22:55:36   (  49.25,-149.58) 07/06/2021   22:54:40  (  49.26,-149.40)   13.56                56
 07/09/2021   14:22:56   ( -55.49, 155.95) 07/09/2021   14:23:26  ( -55.49, 155.95)    0.27                30
 07/09/2021   15:11:42   (  48.58, -33.35) 07/09/2021   15:10:58  (  48.59, -33.25)    7.48                44
 07/12/2021   06:39:58   ( -57.94, -89.57) 07/12/2021   06:40:38  ( -57.93, -89.54)    1.81                40
 07/12/2021   07:27:48   (  47.85,  82.90) 07/12/2021   07:27:16  (  47.87,  82.91)    2.15                32
 07/14/2021   22:56:32   ( -58.80,  25.81) 07/14/2021   22:57:23  ( -58.80,  25.80)    0.29                51
 07/14/2021   23:44:46   (  50.12,-162.15) 07/14/2021   23:44:24  (  50.12,-162.13)    1.02                22
 07/17/2021   15:13:27   ( -60.83, 140.31) 07/17/2021   15:14:28  ( -60.83, 140.35)    1.81                61