Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 14.  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)
 07/14/2021   22:56:35   ( -58.99,  25.69) 07/14/2021   22:57:26  ( -58.99,  25.69)    0.26                51
 07/14/2021   23:44:53   (  50.53,-162.33) 07/14/2021   23:44:31  (  50.53,-162.31)    1.77                22
 07/17/2021   15:13:09   ( -59.85, 141.03) 07/17/2021   15:14:11  ( -59.85, 141.01)    1.71                62
 07/17/2021   16:01:31   (  51.65, -46.91) 07/17/2021   16:01:20  (  51.65, -46.93)    0.93                11
 07/20/2021   07:30:03   ( -61.82,-104.50) 07/20/2021   07:31:15  ( -61.82,-104.49)    0.69                72
 07/20/2021   08:18:34   (  54.20,  67.74) 07/20/2021   08:18:33  (  54.19,  67.75)    0.31                 1
 07/22/2021   23:52:41   ( -80.14, -35.74) 07/22/2021   23:53:54  ( -80.55, -34.20)   53.73                73
 07/23/2021   00:35:32   (  56.50,-177.61) 07/23/2021   00:35:41  (  56.50,-177.58)    1.63                 9
 07/23/2021   01:24:17   ( -49.79,  -6.84) 07/23/2021   01:23:11  ( -49.79,  -6.71)    9.21                66
 07/25/2021   16:52:03   (  57.21, -62.09) 07/25/2021   16:52:23  (  57.22, -62.11)    1.22                20