Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 10 6.  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)
 10/06/2021   03:37:49   (  66.52, 130.09) 10/06/2021   03:37:55  (  66.52, 130.10)    0.59                 6
 10/06/2021   04:27:00   ( -61.49, -57.91) 10/06/2021   04:25:52  ( -61.49, -57.91)    0.27                68
 10/08/2021   19:54:18   (  67.15,-114.67) 10/08/2021   19:54:35  (  67.15,-114.68)    0.11                17
 10/08/2021   20:43:32   ( -62.29,  57.40) 10/08/2021   20:42:35  ( -62.30,  57.37)    1.22                57
 10/11/2021   12:10:45   (  67.67,   0.65) 10/11/2021   12:11:13  (  67.67,   0.63)    1.28                28
 10/11/2021   13:00:22   ( -64.09, 171.78) 10/11/2021   12:59:35  ( -64.09, 171.81)    1.41                47
 10/14/2021   04:27:25   (  68.94, 114.95) 10/14/2021   04:28:03  (  68.93, 115.00)    2.08                38
 10/14/2021   05:16:45   ( -64.45, -72.61) 10/14/2021   05:16:09  ( -64.46, -72.63)    1.16                36
 10/16/2021   20:43:46   (  69.13,-129.37) 10/16/2021   20:44:35  (  69.13,-129.38)    0.36                49
 10/16/2021   21:33:25   ( -65.69,  42.11) 10/16/2021   21:32:59  ( -65.69,  42.12)    0.46                26
 10/19/2021   13:00:21   (  70.07, -14.81) 10/19/2021   13:01:20  (  70.07, -14.76)    1.86                59