Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 3 31.  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)
 04/01/2021   08:02:49   (  46.07,  74.03) 04/01/2021   08:03:58  (  46.10,  74.32)   22.61                69
 04/01/2021   09:18:03   ( -46.01,  73.56) 04/01/2021   09:17:17  ( -46.09,  73.13)   34.79                46
 04/04/2021   00:22:23   (  57.20,-175.46) 04/04/2021   00:23:36  (  57.28,-174.92)   33.90                73
 04/04/2021   01:34:23   ( -46.01,-170.50) 04/04/2021   01:33:46  ( -46.08,-171.00)   38.99                37
 04/06/2021   16:44:17   (  75.17, -82.59) 04/06/2021   16:45:30  (  75.45, -81.03)   54.10                73
 04/06/2021   17:26:11   ( -46.07, 113.22) 04/06/2021   17:26:20  ( -46.19, 113.70)   38.87                 9
 04/06/2021   18:18:06   (  50.01, -81.13) 04/06/2021   18:16:57  (  50.18, -80.26)   64.90                69
 04/09/2021   09:06:06   (  78.60, -62.89) 04/09/2021   09:07:19  (  79.07, -65.00)   69.14                73
 04/09/2021   09:42:31   ( -46.08,-130.84) 04/09/2021   09:42:48  ( -46.16,-130.41)   34.66                17
 04/09/2021   10:34:18   (  49.56,  35.01) 04/09/2021   10:33:17  (  49.68,  35.83)   60.89                61
 04/12/2021   01:31:27   (  49.86,  11.62) 04/12/2021   01:32:34  (  50.04,  10.58)   76.69                67
 04/12/2021   01:58:50   ( -46.09, -14.91) 04/12/2021   01:59:15  ( -46.14, -14.52)   30.67                25