Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 17.  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)
 07/17/2021   15:13:09   ( -59.87, 141.02) 07/17/2021   15:14:11  ( -59.87, 140.99)    1.60                62
 07/17/2021   16:01:32   (  51.72, -46.95) 07/17/2021   16:01:21  (  51.73, -46.96)    0.79                11
 07/20/2021   07:30:04   ( -61.90,-104.56) 07/20/2021   07:31:16  ( -61.89,-104.55)    0.93                72
 07/20/2021   08:18:36   (  54.33,  67.67) 07/20/2021   08:18:35  (  54.33,  67.68)    0.57                 1
 07/22/2021   23:52:46   ( -80.26, -37.11) 07/22/2021   23:53:59  ( -80.68, -35.59)   54.33                73
 07/23/2021   00:35:10   (  55.21,-176.87) 07/23/2021   00:35:20  (  55.22,-176.90)    2.04                10
 07/23/2021   01:24:18   ( -49.81,  -6.85) 07/23/2021   01:23:12  ( -49.81,  -6.72)    9.38                66
 07/25/2021   16:52:07   (  57.46, -62.25) 07/25/2021   16:52:27  (  57.46, -62.25)    0.50                20
 07/25/2021   17:40:24   ( -49.15, 109.39) 07/25/2021   17:39:30  ( -49.17, 109.42)    3.56                54
 07/28/2021   09:09:02   (  59.52,  52.34) 07/28/2021   09:09:32  (  59.52,  52.36)    1.15                30
 07/28/2021   09:57:07   ( -50.55,-135.30) 07/28/2021   09:56:23  ( -50.55,-135.28)    1.54                44
 07/31/2021   01:25:30   (  60.06, 167.91) 07/31/2021   01:26:11  (  60.07, 167.88)    1.59                41