Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 3.  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   05:07:01   (  78.61,  78.06) 07/04/2021   05:08:14  (  78.93,  79.60)   49.19                73
 07/04/2021   05:49:09   ( -51.49, -73.86) 07/04/2021   05:49:18  ( -51.49, -73.86)    0.15                 9
 07/04/2021   06:39:28   (  49.87,  94.20) 07/04/2021   06:38:21  (  49.94,  94.44)   19.35                67
 07/06/2021   22:06:19   ( -54.41,  40.61) 07/06/2021   22:06:38  ( -54.40,  40.63)    1.90                19
 07/06/2021   22:55:36   (  49.26,-149.59) 07/06/2021   22:54:40  (  49.27,-149.40)   13.62                56
 07/09/2021   14:22:59   ( -55.62, 155.88) 07/09/2021   14:23:29  ( -55.62, 155.88)    0.10                30
 07/09/2021   15:11:43   (  48.59, -33.36) 07/09/2021   15:10:59  (  48.60, -33.26)    7.53                44
 07/12/2021   06:39:36   ( -56.71, -88.82) 07/12/2021   06:40:17  ( -56.72, -88.84)    1.79                41
 07/12/2021   07:27:48   (  47.87,  82.89) 07/12/2021   07:27:16  (  47.88,  82.91)    1.68                32
 07/14/2021   22:56:36   ( -59.04,  25.65) 07/14/2021   22:57:27  ( -59.04,  25.65)    0.48                51