Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 3 30.  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   (  46.06,  74.03) 04/01/2021   08:03:58  (  46.09,  74.33)   22.64                69
 04/01/2021   09:18:03   ( -46.02,  73.57) 04/01/2021   09:17:17  ( -46.11,  73.13)   34.80                46
 04/04/2021   00:22:28   (  57.47,-175.63) 04/04/2021   00:23:41  (  57.56,-175.08)   34.25                73
 04/04/2021   01:34:23   ( -46.01,-170.50) 04/04/2021   01:33:46  ( -46.09,-170.99)   38.97                37
 04/06/2021   16:44:25   (  75.54, -83.74) 04/06/2021   16:45:38  (  75.83, -82.15)   54.53                73
 04/06/2021   17:26:11   ( -46.07, 113.23) 04/06/2021   17:26:20  ( -46.17, 113.70)   38.71                 9
 04/06/2021   18:18:06   (  50.01, -81.13) 04/06/2021   18:16:57  (  50.17, -80.26)   64.83                69
 04/09/2021   09:06:18   (  78.09, -65.83) 04/09/2021   09:07:31  (  78.55, -67.96)   69.59                73
 04/09/2021   09:42:30   ( -46.08,-130.84) 04/09/2021   09:42:47  ( -46.15,-130.40)   34.63                17
 04/09/2021   10:34:16   (  49.50,  35.03) 04/09/2021   10:33:16  (  49.67,  35.83)   60.77                60
 04/12/2021   01:31:26   (  49.91,  11.64) 04/12/2021   01:32:33  (  50.11,  10.61)   76.82                67
 04/12/2021   01:58:50   ( -46.10, -14.92) 04/12/2021   01:59:16  ( -46.19, -14.54)   30.57                26