Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 5 27.  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)
 05/30/2021   08:34:04   ( -46.11,-113.39) 05/30/2021   08:34:41  ( -46.13,-113.40)    2.40                37
 05/30/2021   09:25:33   (  48.47,  52.93) 05/30/2021   09:24:51  (  48.55,  53.29)   27.95                42
 06/02/2021   00:50:54   ( -47.88,   1.82) 06/02/2021   00:51:40  ( -47.88,   1.81)    1.10                46
 06/02/2021   01:41:42   (  47.89, 169.12) 06/02/2021   01:41:10  (  47.95, 169.41)   22.72                32
 06/04/2021   17:07:48   ( -49.94, 116.87) 06/04/2021   17:08:43  ( -49.94, 116.85)    1.57                55
 06/04/2021   17:57:50   (  47.31, -74.70) 06/04/2021   17:57:28  (  47.35, -74.47)   17.50                22
 06/07/2021   09:25:03   ( -53.13,-128.72) 06/07/2021   09:26:06  ( -53.13,-128.70)    1.38                63
 06/07/2021   10:13:59   (  46.73,  41.48) 06/07/2021   10:13:47  (  46.76,  41.63)   12.28                12
 06/10/2021   01:41:43   ( -54.32, -13.40) 06/10/2021   01:42:55  ( -54.32, -13.40)    0.03                72