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)
 12/09/2021   04:28:41   ( -72.04, -69.70) 12/09/2021   04:29:25  ( -72.04, -69.71)    0.37                44
 12/09/2021   05:18:37   (  69.37, 102.03) 12/09/2021   05:18:04  (  69.38, 102.01)    0.97                33
 12/11/2021   19:55:56   (  72.26,-121.91) 12/11/2021   19:56:35  (  72.25,-121.86)    1.77                39
 12/11/2021   20:45:49   ( -69.58,  49.96) 12/11/2021   20:45:11  ( -69.58,  49.98)    0.67                38
 12/14/2021   11:23:06   ( -72.29,-173.73) 12/14/2021   11:23:40  ( -72.28,-173.67)    2.36                34
 12/14/2021   12:13:05   (  69.81,  -2.16) 12/14/2021   12:12:22  (  69.80,  -2.10)    2.30                43
 12/17/2021   02:50:06   (  71.71, 135.59) 12/17/2021   02:50:36  (  71.72, 135.55)    1.61                30
 12/17/2021   03:40:12   ( -69.69, -53.75) 12/17/2021   03:39:24  ( -69.68, -53.70)    2.18                48
 12/19/2021   18:17:25   ( -72.19,  82.90) 12/19/2021   18:17:49  ( -72.18,  82.97)    2.66                24
 12/19/2021   19:07:09   (  68.93,-104.44) 12/19/2021   19:06:17  (  68.94,-104.48)    1.97                52
 12/22/2021   09:44:22   (  71.53,  32.37) 12/22/2021   09:44:42  (  71.54,  32.32)    1.98                20