Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 4 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)
 04/28/2021   03:39:57   ( -56.97, -44.57) 04/28/2021   03:41:11  ( -57.06, -44.22)   23.38                74
 04/28/2021   04:27:34   (  46.11, 128.01) 04/28/2021   04:27:36  (  46.19, 128.37)   29.00                 2
 04/30/2021   20:02:03   ( -75.49,  47.15) 04/30/2021   20:03:16  ( -75.74,  48.69)   50.60                73
 04/30/2021   20:43:53   (  46.07,-116.04) 04/30/2021   20:44:03  (  46.12,-115.73)   24.85                10
 04/30/2021   21:35:43   ( -49.99,  49.63) 04/30/2021   21:34:34  ( -50.12,  50.34)   52.44                69
 05/03/2021   12:24:12   ( -77.53,  62.10) 05/03/2021   12:25:25  ( -77.99,  59.91)   73.11                73
 05/03/2021   13:00:12   (  46.10,  -0.11) 05/03/2021   13:00:30  (  46.12,   0.16)   21.07                18
 05/03/2021   13:51:53   ( -49.50, 165.79) 05/03/2021   13:50:53  ( -49.64, 166.42)   48.30                60
 05/06/2021   04:46:19   ( -59.49, 147.69) 05/06/2021   04:47:32  ( -59.71, 146.19)   87.74                73
 05/06/2021   05:16:31   (  46.07, 115.83) 05/06/2021   05:16:58  (  46.13, 116.04)   16.90                27
 05/06/2021   06:08:04   ( -49.02, -78.06) 05/06/2021   06:07:12  ( -49.11, -77.47)   44.02                52
 05/08/2021   21:32:51   (  46.11,-128.24) 05/08/2021   21:33:26  (  46.15,-128.09)   12.94                35