Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 1.  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)
 07/04/2021   05:07:00   (  78.56,  78.35) 07/04/2021   05:08:13  (  78.88,  79.88)   49.06                73
 07/04/2021   05:49:09   ( -51.48, -73.85) 07/04/2021   05:49:18  ( -51.48, -73.85)    0.14                 9
 07/04/2021   06:39:29   (  49.92,  94.18) 07/04/2021   06:38:22  (  49.99,  94.42)   19.52                67
 07/06/2021   22:06:19   ( -54.40,  40.61) 07/06/2021   22:06:38  ( -54.39,  40.64)    1.89                19
 07/06/2021   22:55:36   (  49.25,-149.58) 07/06/2021   22:54:40  (  49.26,-149.40)   13.61                56
 07/09/2021   14:22:58   ( -55.60, 155.89) 07/09/2021   14:23:28  ( -55.60, 155.89)    0.11                30
 07/09/2021   15:11:42   (  48.58, -33.35) 07/09/2021   15:10:58  (  48.59, -33.25)    7.53                44
 07/12/2021   06:39:37   ( -56.75, -88.84) 07/12/2021   06:40:18  ( -56.76, -88.87)    1.70                41
 07/12/2021   07:27:48   (  47.86,  82.90) 07/12/2021   07:27:16  (  47.87,  82.91)    1.70                32
 07/14/2021   22:56:37   ( -59.08,  25.62) 07/14/2021   22:57:28  ( -59.08,  25.63)    0.71                51