Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 8 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)
 08/05/2021   09:59:07   (  63.49,  37.07) 08/05/2021   10:00:07  (  63.49,  37.11)    2.22                60
 08/05/2021   10:47:24   ( -55.29,-149.87) 08/05/2021   10:47:10  ( -55.30,-149.89)    1.79                14
 08/08/2021   02:15:23   (  63.37, 153.13) 08/08/2021   02:16:34  (  63.37, 153.09)    2.26                71
 08/08/2021   03:04:32   ( -58.10, -35.60) 08/08/2021   03:04:27  ( -58.09, -35.58)    1.65                 5
 08/10/2021   18:36:53   (  78.89,-125.92) 08/10/2021   18:38:06  (  79.20,-124.47)   46.42                73
 08/10/2021   19:21:12   ( -59.32,  79.53) 08/10/2021   19:21:17  ( -59.31,  79.55)    0.95                 5
 08/10/2021   20:09:13   (  49.92,-107.98) 08/10/2021   20:08:06  (  49.92,-107.98)    0.18                67
 08/13/2021   11:37:50   ( -60.42,-165.31) 08/13/2021   11:38:05  ( -60.42,-165.30)    0.18                15
 08/13/2021   12:26:19   (  52.66,   6.66) 08/13/2021   12:25:21  (  52.65,   6.68)    1.42                58
 08/16/2021   03:54:25   ( -61.41, -50.11) 08/16/2021   03:54:50  ( -61.42, -50.12)    0.71                25