Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 22.  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)
 07/22/2021   23:52:46   ( -80.28, -37.37) 07/22/2021   23:53:59  ( -80.70, -35.86)   54.44                73
 07/23/2021   00:35:10   (  55.25,-176.89) 07/23/2021   00:35:20  (  55.26,-176.92)    1.97                10
 07/23/2021   01:24:17   ( -49.81,  -6.84) 07/23/2021   01:23:11  ( -49.80,  -6.71)    9.37                66
 07/25/2021   16:52:08   (  57.50, -62.27) 07/25/2021   16:52:28  (  57.50, -62.28)    0.50                20
 07/25/2021   17:40:24   ( -49.14, 109.39) 07/25/2021   17:39:30  ( -49.16, 109.43)    3.44                54
 07/28/2021   09:09:02   (  59.51,  52.35) 07/28/2021   09:09:32  (  59.51,  52.37)    1.04                30
 07/28/2021   09:57:07   ( -50.55,-135.30) 07/28/2021   09:56:23  ( -50.54,-135.28)    1.44                44
 07/31/2021   01:25:29   (  59.99, 167.96) 07/31/2021   01:26:10  (  60.00, 167.93)    1.85                41
 07/31/2021   02:14:02   ( -52.69, -20.38) 07/31/2021   02:13:28  ( -52.69, -20.36)    1.32                34
 08/02/2021   17:42:16   (  61.66, -77.34) 08/02/2021   17:43:07  (  61.66, -77.35)    0.41                51