Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 4.  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,  78.03) 07/04/2021   05:08:14  (  78.94,  79.57)   49.19                73
 07/04/2021   05:49:08   ( -51.44, -73.83) 07/04/2021   05:49:17  ( -51.44, -73.84)    0.26                 9
 07/04/2021   06:39:28   (  49.88,  94.19) 07/04/2021   06:38:21  (  49.95,  94.44)   19.35                67
 07/06/2021   22:06:17   ( -54.30,  40.66) 07/06/2021   22:06:36  ( -54.30,  40.69)    1.69                19
 07/06/2021   22:55:36   (  49.27,-149.59) 07/06/2021   22:54:40  (  49.28,-149.41)   13.58                56
 07/09/2021   14:22:57   ( -55.51, 155.94) 07/09/2021   14:23:27  ( -55.51, 155.94)    0.27                30
 07/09/2021   15:11:43   (  48.60, -33.36) 07/09/2021   15:10:59  (  48.61, -33.26)    7.50                44
 07/12/2021   06:39:59   ( -57.95, -89.58) 07/12/2021   06:40:39  ( -57.95, -89.55)    1.82                40
 07/12/2021   07:27:49   (  47.87,  82.89) 07/12/2021   07:27:17  (  47.89,  82.90)    2.24                32
 07/14/2021   22:56:31   ( -58.76,  25.83) 07/14/2021   22:57:22  ( -58.76,  25.83)    0.31                51
 07/14/2021   23:44:45   (  50.08,-162.13) 07/14/2021   23:44:23  (  50.08,-162.12)    0.97                22
 07/17/2021   15:13:26   ( -60.80, 140.34) 07/17/2021   15:14:27  ( -60.79, 140.37)    1.75                61