Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 3 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)
 03/26/2021   23:30:10   (  46.10,-157.85) 03/26/2021   23:31:02  (  46.18,-157.47)   31.04                52
 03/27/2021   00:45:23   ( -46.05,-158.29) 03/27/2021   00:44:19  ( -46.13,-158.62)   26.50                64
 03/29/2021   15:46:30   (  46.10, -41.92) 03/29/2021   15:47:31  (  46.19, -41.59)   26.96                61
 03/29/2021   17:01:43   ( -46.05, -42.36) 03/29/2021   17:00:48  ( -46.13, -42.74)   30.62                55
 04/01/2021   08:02:50   (  46.10,  74.02) 04/01/2021   08:03:59  (  46.14,  74.31)   22.67                69
 04/01/2021   09:18:03   ( -46.04,  73.57) 04/01/2021   09:17:17  ( -46.12,  73.14)   34.75                46
 04/04/2021   00:22:18   (  56.89,-175.27) 04/04/2021   00:23:31  (  56.97,-174.74)   33.57                73
 04/04/2021   01:34:23   ( -46.04,-170.50) 04/04/2021   01:33:46  ( -46.10,-170.99)   38.98                37
 04/06/2021   16:44:08   (  74.76, -81.43) 04/06/2021   16:45:21  (  75.04, -79.90)   53.65                73
 04/06/2021   17:26:11   ( -46.10, 113.21) 04/06/2021   17:26:19  ( -46.17, 113.71)   38.94                 8