Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 12 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)
 12/06/2021   13:01:39   (  72.40, -18.62) 12/06/2021   13:02:27  (  72.39, -18.56)    2.34                48
 12/06/2021   13:51:36   ( -69.94, 152.97) 12/06/2021   13:51:07  ( -69.94, 153.02)    1.92                29
 12/09/2021   04:28:38   ( -71.92, -69.46) 12/09/2021   04:29:22  ( -71.92, -69.49)    1.10                44
 12/09/2021   05:18:34   (  69.25, 102.21) 12/09/2021   05:18:01  (  69.25, 102.17)    1.92                33
 12/11/2021   19:55:51   (  71.98,-121.36) 12/11/2021   19:56:30  (  71.98,-121.37)    0.38                39
 12/11/2021   20:45:44   ( -69.29,  50.38) 12/11/2021   20:45:06  ( -69.29,  50.36)    1.10                38
 12/14/2021   11:22:57   ( -71.80,-172.79) 12/14/2021   11:23:31  ( -71.80,-172.82)    1.13                34
 12/14/2021   12:12:54   (  69.19,  -1.26) 12/14/2021   12:12:11  (  69.20,  -1.29)    1.30                43
 12/17/2021   02:50:05   (  71.62, 135.76) 12/17/2021   02:50:34  (  71.63, 135.71)    2.04                29
 12/17/2021   03:40:12   ( -69.64, -53.68) 12/17/2021   03:39:23  ( -69.64, -53.63)    2.02                49
 12/19/2021   18:17:17   ( -71.78,  83.69) 12/19/2021   18:17:40  ( -71.78,  83.68)    0.15                23