Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 9 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)
 09/17/2021   08:04:34   (  73.67,  52.34) 09/17/2021   08:05:47  (  73.74,  52.94)   20.64                73
 09/17/2021   08:52:26   ( -64.64,-126.90) 09/17/2021   08:52:27  ( -64.63,-126.86)    2.11                 1
 09/17/2021   09:41:02   (  57.33,  46.01) 09/17/2021   09:39:49  (  57.34,  45.98)    1.46                73
 09/20/2021   01:08:49   ( -64.92, -11.23) 09/20/2021   01:09:01  ( -64.92, -11.24)    0.58                12
 09/20/2021   01:57:49   (  58.98, 160.89) 09/20/2021   01:56:46  (  58.98, 160.87)    1.05                63
 09/22/2021   17:25:30   ( -66.18, 103.42) 09/22/2021   17:25:52  ( -66.18, 103.44)    1.11                22
 09/22/2021   18:14:32   (  60.39, -84.15) 09/22/2021   18:13:39  (  60.40, -84.17)    0.85                53
 09/25/2021   09:42:06   ( -67.22,-141.81) 09/25/2021   09:42:38  ( -67.21,-141.76)    2.37                32
 09/25/2021   10:31:10   (  61.58,  30.90) 09/25/2021   10:30:27  (  61.58,  30.88)    0.90                43
 09/28/2021   01:58:22   ( -67.12, -25.74) 09/28/2021   01:59:05  ( -67.13, -25.78)    1.89                43
 09/28/2021   02:47:47   (  62.65, 145.98) 09/28/2021   02:47:14  (  62.65, 145.96)    1.23                33
 09/30/2021   18:14:53   ( -67.83,  89.34) 09/30/2021   18:15:46  ( -67.83,  89.31)    1.68                53