Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 10 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)
 10/03/2021   10:31:40   ( -69.44,-156.87) 10/03/2021   10:32:51  ( -69.44,-156.83)    1.54                71
 10/03/2021   11:21:14   (  65.53,  15.20) 10/03/2021   11:21:09  (  65.53,  15.21)    0.37                 5
 10/06/2021   02:53:59   ( -80.88,-124.68) 10/06/2021   02:55:12  ( -81.51,-125.74)   72.21                73
 10/06/2021   03:37:45   (  66.32, 130.31) 10/06/2021   03:37:51  (  66.32, 130.31)    0.08                 6
 10/06/2021   04:26:57   ( -61.33, -57.79) 10/06/2021   04:25:49  ( -61.34, -57.80)    0.23                68
 10/08/2021   19:54:13   (  66.89,-114.38) 10/08/2021   19:54:30  (  66.90,-114.40)    1.17                17
 10/08/2021   20:43:27   ( -62.03,  57.61) 10/08/2021   20:42:30  ( -62.03,  57.57)    2.16                57
 10/11/2021   12:10:56   (  68.27,  -0.11) 10/11/2021   12:11:23  (  68.27,  -0.07)    2.05                27
 10/11/2021   13:00:13   ( -63.60, 172.22) 10/11/2021   12:59:26  ( -63.60, 172.22)    0.19                47
 10/14/2021   04:27:16   (  68.41, 115.66) 10/14/2021   04:27:54  (  68.41, 115.64)    0.64                38