Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 12 1.  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)
 12/01/2021   06:07:11   (  72.06,  85.59) 12/01/2021   06:08:09  (  72.07,  85.55)    1.43                58
 12/01/2021   06:57:06   ( -69.50,-102.82) 12/01/2021   06:56:47  ( -69.51,-102.85)    1.49                19
 12/03/2021   21:34:25   ( -72.31,  33.34) 12/03/2021   21:35:14  ( -72.30,  33.39)    1.73                49
 12/03/2021   22:24:19   (  69.54,-154.65) 12/03/2021   22:23:51  (  69.54,-154.65)    0.04                28
 12/06/2021   13:01:22   (  71.54, -16.99) 12/06/2021   13:02:03  (  71.55, -17.06)    2.64                41
 12/06/2021   13:51:31   ( -69.69, 153.35) 12/06/2021   13:50:54  ( -69.68, 153.40)    2.31                37
 12/09/2021   04:28:31   ( -71.53, -68.74) 12/09/2021   04:29:03  ( -71.53, -68.77)    1.51                32
 12/09/2021   05:18:24   (  68.68, 102.99) 12/09/2021   05:17:39  (  68.69, 102.94)    2.23                45
 12/11/2021   19:55:38   (  71.34,-120.19) 12/11/2021   19:56:01  (  71.35,-120.22)    1.38                23
 12/11/2021   20:45:28   ( -68.46,  51.51) 12/11/2021   20:44:34  ( -68.47,  51.47)    1.81                54
 12/14/2021   11:22:42   ( -71.06,-171.46) 12/14/2021   11:22:56  ( -71.07,-171.52)    2.28                14