Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 19.  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)
 07/20/2021   07:30:05   ( -61.95,-104.61) 07/20/2021   07:31:17  ( -61.95,-104.59)    1.02                72
 07/20/2021   08:18:36   (  54.32,  67.68) 07/20/2021   08:18:35  (  54.32,  67.68)    0.58                 1
 07/22/2021   23:52:47   ( -80.28, -37.42) 07/22/2021   23:54:00  ( -80.71, -35.91)   54.46                73
 07/23/2021   00:35:11   (  55.26,-176.90) 07/23/2021   00:35:21  (  55.27,-176.93)    2.03                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   (  57.45, -62.24) 07/25/2021   16:52:27  (  57.46, -62.25)    0.49                20
 07/25/2021   17:40:24   ( -49.15, 109.39) 07/25/2021   17:39:30  ( -49.17, 109.42)    3.44                54
 07/28/2021   09:09:02   (  59.52,  52.35) 07/28/2021   09:09:32  (  59.52,  52.36)    1.15                30
 07/28/2021   09:57:08   ( -50.61,-135.33) 07/28/2021   09:56:24  ( -50.61,-135.31)    1.58                44
 07/31/2021   01:25:30   (  60.06, 167.91) 07/31/2021   01:26:11  (  60.07, 167.88)    1.58                41