Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 12 9.  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)
 12/11/2021   19:55:56   (  72.27,-121.92) 12/11/2021   19:56:35  (  72.26,-121.87)    1.72                39
 12/11/2021   20:45:49   ( -69.59,  49.95) 12/11/2021   20:45:11  ( -69.58,  49.97)    0.61                38
 12/14/2021   11:23:06   ( -72.30,-173.75) 12/14/2021   11:23:40  ( -72.29,-173.68)    2.34                34
 12/14/2021   12:13:05   (  69.81,  -2.17) 12/14/2021   12:12:22  (  69.81,  -2.11)    2.28                43
 12/17/2021   02:50:06   (  71.72, 135.57) 12/17/2021   02:50:36  (  71.73, 135.53)    1.54                30
 12/17/2021   03:40:12   ( -69.69, -53.76) 12/17/2021   03:39:24  ( -69.69, -53.71)    2.24                48
 12/19/2021   18:17:12   ( -71.54,  84.14) 12/19/2021   18:17:37  ( -71.55,  84.07)    2.59                25
 12/19/2021   19:07:09   (  68.94,-104.45) 12/19/2021   19:06:17  (  68.94,-104.49)    1.79                52
 12/22/2021   09:44:24   (  71.60,  32.25) 12/22/2021   09:44:44  (  71.60,  32.21)    1.62                20