Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 8 5.  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   (  63.44,  37.12) 08/05/2021   10:00:07  (  63.44,  37.15)    2.08                60
 08/05/2021   10:47:24   ( -55.24,-149.84) 08/05/2021   10:47:10  ( -55.25,-149.87)    2.01                14
 08/08/2021   02:15:43   (  64.47, 152.11) 08/08/2021   02:16:53  (  64.47, 152.16)    2.09                70
 08/08/2021   03:04:30   ( -57.99, -35.53) 08/08/2021   03:04:25  ( -57.98, -35.51)    1.24                 5
 08/10/2021   18:36:47   (  78.67,-124.47) 08/10/2021   18:38:00  (  78.97,-123.03)   45.47                73
 08/10/2021   19:21:08   ( -59.09,  79.68) 08/10/2021   19:21:13  ( -59.09,  79.69)    0.28                 5
 08/10/2021   20:09:13   (  49.92,-107.98) 08/10/2021   20:08:06  (  49.93,-107.99)    1.07                67
 08/13/2021   11:37:45   ( -60.14,-165.10) 08/13/2021   11:38:00  ( -60.14,-165.11)    0.81                15
 08/13/2021   12:26:14   (  52.37,   6.81) 08/13/2021   12:25:16  (  52.36,   6.82)    0.68                58
 08/16/2021   03:54:19   ( -61.01, -49.80) 08/16/2021   03:54:44  ( -61.02, -49.84)    2.07                25
 08/16/2021   04:42:48   (  53.26, 122.30) 08/16/2021   04:42:00  (  53.27, 122.27)    1.95                48
 08/18/2021   20:11:11   ( -62.94,  64.59) 08/18/2021   20:11:45  ( -62.94,  64.61)    1.10                34