Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 10 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)
 10/19/2020   18:43:37   (  53.17, 113.94) 10/19/2020   18:43:48  (  53.17, 113.96)    1.36                11
 10/19/2020   19:31:43   ( -62.28, -72.93) 10/19/2020   19:30:41  ( -62.27, -72.97)    1.91                62
 10/22/2020   11:00:08   (  52.61,-130.42) 10/22/2020   11:00:24  (  52.61,-130.42)    0.05                16
 10/22/2020   11:48:33   ( -60.68,  41.75) 10/22/2020   11:47:35  ( -60.68,  41.77)    1.20                58
 10/25/2020   03:16:37   (  52.22, -14.69) 10/25/2020   03:16:58  (  52.22, -14.71)    1.68                21
 10/25/2020   04:04:59   ( -60.47, 157.51) 10/25/2020   04:04:06  ( -60.47, 157.50)    0.48                53
 10/27/2020   19:33:32   (  50.34, 100.34) 10/27/2020   19:33:57  (  50.34, 100.34)    0.09                25
 10/27/2020   20:21:46   ( -59.08, -87.54) 10/27/2020   20:20:57  ( -59.09, -87.52)    1.67                49
 10/30/2020   11:50:25   (  48.57,-144.52) 10/30/2020   11:50:54  (  48.57,-144.51)    1.08                29
 10/30/2020   12:38:07   ( -59.15,  28.42) 10/30/2020   12:37:23  ( -59.15,  28.41)    0.82                44
 11/02/2020   04:06:45   (  48.64, -28.58) 11/02/2020   04:07:19  (  48.63, -28.60)    1.86                34