Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 9 12.  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)
 09/12/2020   06:02:04   ( -58.79, 127.02) 09/12/2020   06:02:15  ( -58.79, 127.05)    1.53                11
 09/12/2020   06:50:50   (  65.31, -60.35) 09/12/2020   06:49:46  (  65.31, -60.35)    0.13                64
 09/14/2020   22:18:37   ( -58.21,-117.44) 09/14/2020   22:18:54  ( -58.22,-117.43)    0.65                17
 09/14/2020   23:07:21   (  64.85,  55.11) 09/14/2020   23:06:23  (  64.85,  55.10)    0.50                58
 09/17/2020   14:35:09   ( -57.69,  -1.86) 09/17/2020   14:35:32  ( -57.69,  -1.87)    0.58                23
 09/17/2020   15:23:50   (  64.50, 170.69) 09/17/2020   15:22:58  (  64.49, 170.66)    1.33                52
 09/20/2020   06:52:04   ( -55.86, 112.96) 09/20/2020   06:52:32  ( -55.87, 112.99)    1.87                28
 09/20/2020   07:40:40   (  62.98, -74.76) 09/20/2020   07:39:53  (  62.99, -74.72)    2.15                47
 09/22/2020   23:08:31   ( -55.56,-131.29) 09/22/2020   23:09:05  ( -55.56,-131.30)    0.07                34
 09/22/2020   23:57:06   (  62.74,  40.94) 09/22/2020   23:56:25  (  62.74,  40.96)    0.75                41
 09/25/2020   15:25:23   ( -53.89, -16.29) 09/25/2020   15:26:02  ( -53.90, -16.26)    1.56                39