Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 5 26.  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)
 05/27/2021   15:46:39   (  62.57, 164.87) 05/27/2021   15:47:51  (  62.87, 163.16)   93.65                72
 05/27/2021   16:17:45   ( -46.09, 130.67) 05/27/2021   16:18:11  ( -46.10, 130.74)    5.05                26
 05/27/2021   17:09:25   (  49.09, -63.27) 05/27/2021   17:08:32  (  49.18, -62.84)   33.24                53
 05/30/2021   08:34:03   ( -46.08,-113.38) 05/30/2021   08:34:38  ( -46.08,-113.37)    0.82                35
 05/30/2021   09:25:34   (  48.56,  52.89) 05/30/2021   09:24:50  (  48.63,  53.27)   28.54                44
 06/02/2021   00:51:02   ( -48.38,   1.61) 06/02/2021   00:51:45  ( -48.37,   1.63)    0.93                43
 06/02/2021   01:41:44   (  48.04, 169.06) 06/02/2021   01:41:09  (  48.09, 169.37)   23.82                35
 06/04/2021   17:07:58   ( -50.49, 116.62) 06/04/2021   17:08:49  ( -50.49, 116.63)    1.04                51
 06/04/2021   17:57:54   (  47.53, -74.79) 06/04/2021   17:57:28  (  47.55, -74.54)   19.08                26
 06/07/2021   09:24:50   ( -52.38,-128.34) 06/07/2021   09:25:49  ( -52.38,-128.33)    1.12                59