Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 9 10.  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)
 09/11/2021   23:29:44   (  66.57,-168.12) 09/11/2021   23:30:39  (  66.58,-168.14)    0.63                55
 09/12/2021   00:19:08   ( -62.30,   3.28) 09/12/2021   00:18:48  ( -62.29,   3.31)    1.55                20
 09/14/2021   15:46:09   (  67.01, -52.68) 09/14/2021   15:47:15  (  67.02, -52.72)    2.36                66
 09/14/2021   16:35:38   ( -62.97, 118.67) 09/14/2021   16:35:29  ( -62.97, 118.66)    0.20                 9
 09/17/2021   08:04:32   (  73.56,  52.58) 09/17/2021   08:05:45  (  73.63,  53.18)   20.31                73
 09/17/2021   08:52:26   ( -64.62,-126.89) 09/17/2021   08:52:27  ( -64.62,-126.85)    2.30                 1
 09/17/2021   09:41:01   (  57.27,  46.04) 09/17/2021   09:39:48  (  57.28,  46.02)    1.61                73
 09/20/2021   01:08:50   ( -64.96, -11.27) 09/20/2021   01:09:02  ( -64.96, -11.28)    0.43                12
 09/20/2021   01:57:47   (  58.86, 160.97) 09/20/2021   01:56:44  (  58.86, 160.95)    1.26                63
 09/22/2021   17:25:29   ( -66.17, 103.43) 09/22/2021   17:25:51  ( -66.16, 103.45)    1.15                22