Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 9 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)
 09/03/2021   22:40:08   (  64.26,-153.60) 09/03/2021   22:40:30  (  64.26,-153.57)    1.42                22
 09/03/2021   23:28:51   ( -57.57,  18.82) 09/03/2021   23:27:59  ( -57.57,  18.82)    0.08                52
 09/06/2021   14:56:42   (  65.14, -38.51) 09/06/2021   14:57:15  (  65.14, -38.48)    1.11                33
 09/06/2021   15:45:33   ( -58.92, 133.89) 09/06/2021   15:44:52  ( -58.93, 133.88)    0.65                41
 09/09/2021   07:13:14   (  65.91,  76.65) 09/09/2021   07:13:58  (  65.91,  76.66)    0.48                44
 09/09/2021   08:02:12   ( -60.10,-110.99) 09/09/2021   08:01:42  ( -60.11,-111.01)    1.57                30
 09/11/2021   23:29:43   (  66.57,-168.12) 09/11/2021   23:30:38  (  66.57,-168.13)    0.51                55
 09/12/2021   00:19:09   ( -62.34,   3.24) 09/12/2021   00:18:49  ( -62.33,   3.28)    1.82                20
 09/14/2021   15:46:10   (  67.06, -52.74) 09/14/2021   15:47:16  (  67.07, -52.78)    1.87                66