Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 8 7.  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)
 08/08/2021   02:15:24   (  63.41, 153.09) 08/08/2021   02:16:35  (  63.42, 153.04)    2.26                71
 08/08/2021   03:04:31   ( -58.04, -35.56) 08/08/2021   03:04:26  ( -58.03, -35.54)    1.48                 5
 08/10/2021   18:36:53   (  78.88,-125.88) 08/10/2021   18:38:06  (  79.20,-124.44)   46.37                73
 08/10/2021   19:21:11   ( -59.26,  79.57) 08/10/2021   19:21:16  ( -59.25,  79.59)    0.77                 5
 08/10/2021   20:09:13   (  49.91,-107.98) 08/10/2021   20:08:06  (  49.91,-107.98)    0.18                67
 08/13/2021   11:37:49   ( -60.36,-165.26) 08/13/2021   11:38:04  ( -60.36,-165.26)    0.05                15
 08/13/2021   12:26:20   (  52.71,   6.64) 08/13/2021   12:25:22  (  52.70,   6.66)    1.42                58
 08/16/2021   03:54:24   ( -61.35, -50.06) 08/16/2021   03:54:49  ( -61.35, -50.08)    0.82                25
 08/16/2021   04:42:55   (  53.72, 122.07) 08/16/2021   04:42:07  (  53.73, 122.05)    0.83                48
 08/18/2021   20:10:58   ( -62.23,  65.18) 08/18/2021   20:11:33  ( -62.24,  65.15)    1.77                35