Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 3 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)
 03/29/2021   15:46:29   (  46.06, -41.90) 03/29/2021   15:47:30  (  46.15, -41.58)   26.89                61
 03/29/2021   17:01:43   ( -46.02, -42.37) 03/29/2021   17:00:48  ( -46.11, -42.75)   30.55                55
 04/01/2021   08:02:49   (  46.06,  74.03) 04/01/2021   08:03:58  (  46.10,  74.32)   22.60                69
 04/01/2021   09:18:03   ( -46.02,  73.56) 04/01/2021   09:17:17  ( -46.10,  73.13)   34.68                46
 04/04/2021   00:22:15   (  56.73,-175.18) 04/04/2021   00:23:28  (  56.82,-174.65)   33.37                73
 04/04/2021   01:34:23   ( -46.02,-170.50) 04/04/2021   01:33:46  ( -46.08,-171.00)   38.94                37
 04/06/2021   16:44:05   (  74.58, -80.94) 04/06/2021   16:45:18  (  74.85, -79.42)   53.42                73
 04/06/2021   17:26:11   ( -46.06, 113.23) 04/06/2021   17:26:19  ( -46.13, 113.72)   38.90                 8
 04/06/2021   18:18:07   (  50.05, -81.15) 04/06/2021   18:16:57  (  50.19, -80.26)   65.10                70
 04/09/2021   09:05:50   (  79.15, -59.18) 04/09/2021   09:07:03  (  79.64, -61.21)   68.55                73
 04/09/2021   09:42:30   ( -46.06,-130.84) 04/09/2021   09:42:47  ( -46.17,-130.41)   34.93                17