Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 30.  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)
 07/31/2021   01:25:45   (  60.89, 167.31) 07/31/2021   01:26:25  (  60.88, 167.33)    1.06                40
 07/31/2021   02:13:52   ( -52.07, -20.07) 07/31/2021   02:13:18  ( -52.07, -20.07)    0.21                34
 08/02/2021   17:42:26   (  62.21, -77.78) 08/02/2021   17:43:16  (  62.20, -77.75)    1.50                50
 08/02/2021   18:30:38   ( -53.69,  95.05) 08/02/2021   18:30:14  ( -53.69,  95.04)    1.11                24
 08/05/2021   09:59:04   (  63.30,  37.24) 08/05/2021   10:00:04  (  63.29,  37.27)    1.61                60
 08/05/2021   10:47:48   ( -56.62,-150.63) 08/05/2021   10:47:33  ( -56.61,-150.60)    1.94                15
 08/08/2021   02:15:40   (  64.28, 152.30) 08/08/2021   02:16:50  (  64.27, 152.33)    1.34                70
 08/08/2021   03:04:27   ( -57.78, -35.40) 08/08/2021   03:04:22  ( -57.77, -35.39)    0.84                 5
 08/10/2021   18:36:37   (  78.26,-122.05) 08/10/2021   18:37:50  (  78.54,-120.65)   43.85                73
 08/10/2021   19:21:03   ( -58.83,  79.86) 08/10/2021   19:21:08  ( -58.83,  79.85)    0.49                 5