Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 6 30.  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)
 07/01/2021   12:44:18   (  58.85,  -1.26) 07/01/2021   12:45:29  (  58.85,  -1.25)    0.90                71
 07/01/2021   13:32:22   ( -49.86, 170.95) 07/01/2021   13:32:20  ( -49.86, 170.98)    1.64                 2
 07/04/2021   05:05:20   (  74.13,  95.50) 07/04/2021   05:06:33  (  74.29,  96.55)   36.47                73
 07/04/2021   05:48:55   ( -50.67, -73.47) 07/04/2021   05:49:02  ( -50.67, -73.49)    1.20                 7
 07/04/2021   06:39:32   (  50.08,  94.10) 07/04/2021   06:38:22  (  50.13,  94.37)   20.16                70
 07/06/2021   21:28:07   (  77.06, 104.58) 07/06/2021   21:29:20  (  77.54, 102.04)   82.28                73
 07/06/2021   22:05:53   ( -52.91,  41.39) 07/06/2021   22:06:08  ( -52.91,  41.38)    0.39                15
 07/06/2021   22:55:41   (  49.52,-149.71) 07/06/2021   22:54:40  (  49.54,-149.50)   15.46                61
 07/09/2021   14:22:45   ( -54.85, 156.31) 07/09/2021   14:23:08  ( -54.85, 156.31)    0.35                23
 07/09/2021   15:11:49   (  48.97, -33.52) 07/09/2021   15:10:58  (  49.01, -33.39)   10.69                51
 07/12/2021   06:39:35   ( -56.61, -88.76) 07/12/2021   06:40:06  ( -56.61, -88.75)    0.99                31