Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 9 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)
 09/06/2021   14:56:43   (  65.19, -38.56) 09/06/2021   14:57:16  (  65.19, -38.53)    1.30                33
 09/06/2021   15:45:34   ( -58.98, 133.85) 09/06/2021   15:44:53  ( -58.98, 133.84)    0.45                41
 09/09/2021   07:13:15   (  66.01,  76.54) 09/09/2021   07:13:59  (  66.01,  76.56)    0.89                44
 09/09/2021   08:02:13   ( -60.21,-111.07) 09/09/2021   08:01:43  ( -60.22,-111.08)    1.14                30
 09/11/2021   23:29:46   (  66.73,-168.30) 09/11/2021   23:30:41  (  66.73,-168.30)    0.22                55
 09/12/2021   00:18:50   ( -61.28,   4.09) 09/12/2021   00:18:31  ( -61.29,   4.05)    2.02                19
 09/14/2021   15:46:15   (  67.33, -53.06) 09/14/2021   15:47:21  (  67.34, -53.07)    0.74                66
 09/14/2021   16:35:46   ( -63.40, 118.29) 09/14/2021   16:35:37  ( -63.39, 118.32)    1.52                 9
 09/17/2021   08:04:52   (  74.55,  50.11) 09/17/2021   08:06:05  (  74.64,  50.84)   24.13                73
 09/17/2021   08:52:17   ( -64.13,-126.42) 09/17/2021   08:52:19  ( -64.13,-126.42)    0.22                 2