Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 6 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)
 06/28/2021   20:27:43   (  57.93,-116.60) 06/28/2021   20:28:45  (  57.92,-116.57)    1.89                62
 06/28/2021   21:15:07   ( -46.61,  56.40) 06/28/2021   21:14:57  ( -46.61,  56.39)    0.82                10
 07/01/2021   12:44:22   (  59.08,  -1.41) 07/01/2021   12:45:33  (  59.07,  -1.39)    1.27                71
 07/01/2021   13:32:15   ( -49.43, 171.15) 07/01/2021   13:32:13  ( -49.43, 171.15)    0.49                 2
 07/04/2021   05:05:31   (  74.67,  94.07) 07/04/2021   05:06:44  (  74.84,  95.18)   37.81                73
 07/04/2021   05:48:53   ( -50.54, -73.41) 07/04/2021   05:49:00  ( -50.54, -73.43)    1.71                 7
 07/04/2021   06:39:31   (  50.04,  94.12) 07/04/2021   06:38:21  (  50.07,  94.40)   19.93                70
 07/06/2021   21:28:25   (  76.25, 101.43) 07/06/2021   21:29:37  (  76.76,  99.03)   84.20                72
 07/06/2021   22:05:57   ( -53.13,  41.28) 07/06/2021   22:06:12  ( -53.13,  41.28)    0.07                15
 07/06/2021   22:55:40   (  49.49,-149.69) 07/06/2021   22:54:40  (  49.53,-149.49)   14.93                60
 07/09/2021   14:22:32   ( -54.13, 156.70) 07/09/2021   14:22:56  ( -54.13, 156.67)    1.95                24