Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 12 12.  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)
 12/14/2021   11:23:05   ( -72.23,-173.61) 12/14/2021   11:23:39  ( -72.22,-173.56)    2.13                34
 12/14/2021   12:13:05   (  69.79,  -2.14) 12/14/2021   12:12:22  (  69.79,  -2.09)    2.20                43
 12/17/2021   02:50:06   (  71.70, 135.62) 12/17/2021   02:50:36  (  71.70, 135.57)    1.64                30
 12/17/2021   03:40:12   ( -69.67, -53.73) 12/17/2021   03:39:24  ( -69.67, -53.68)    2.05                48
 12/19/2021   18:17:25   ( -72.23,  82.83) 12/19/2021   18:17:49  ( -72.22,  82.91)    2.70                24
 12/19/2021   19:07:08   (  68.91,-104.41) 12/19/2021   19:06:16  (  68.91,-104.46)    1.85                52
 12/22/2021   09:44:24   (  71.61,  32.22) 12/22/2021   09:44:44  (  71.62,  32.18)    1.61                20
 12/22/2021   10:34:28   ( -69.47,-156.98) 12/22/2021   10:33:30  ( -69.46,-156.94)    1.71                58
 12/25/2021   01:11:39   ( -71.88, -20.05) 12/25/2021   01:11:53  ( -71.88, -20.02)    1.21                14