Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 4 29.  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)
 04/30/2021   20:02:03   ( -75.51,  47.11) 04/30/2021   20:03:16  ( -75.75,  48.64)   50.63                73
 04/30/2021   20:43:53   (  46.09,-116.05) 04/30/2021   20:44:03  (  46.13,-115.73)   24.86                10
 04/30/2021   21:35:43   ( -50.01,  49.62) 04/30/2021   21:34:34  ( -50.13,  50.33)   52.46                69
 05/03/2021   12:24:11   ( -77.60,  62.44) 05/03/2021   12:25:24  ( -78.07,  60.26)   73.04                73
 05/03/2021   13:00:13   (  46.11,  -0.12) 05/03/2021   13:00:31  (  46.14,   0.15)   21.03                18
 05/03/2021   13:51:53   ( -49.46, 165.81) 05/03/2021   13:50:53  ( -49.60, 166.44)   48.28                60
 05/06/2021   04:46:15   ( -59.70, 147.84) 05/06/2021   04:47:28  ( -59.93, 146.34)   87.68                73
 05/06/2021   05:16:31   (  46.09, 115.83) 05/06/2021   05:16:58  (  46.15, 116.03)   17.03                27
 05/06/2021   06:08:04   ( -49.03, -78.07) 05/06/2021   06:07:12  ( -49.13, -77.48)   44.03                52
 05/08/2021   21:32:50   (  46.06,-128.22) 05/08/2021   21:33:25  (  46.11,-128.07)   13.04                35
 05/08/2021   22:24:14   ( -48.49,  38.10) 05/08/2021   22:23:31  ( -48.61,  38.61)   39.81                43
 05/11/2021   13:49:10   (  46.09, -12.30) 05/11/2021   13:49:53  (  46.14, -12.20)    9.50                43