Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 12 18.  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)
 12/19/2021   18:17:24   ( -72.15,  82.98) 12/19/2021   18:17:48  ( -72.15,  83.04)    2.07                24
 12/19/2021   19:07:07   (  68.82,-104.29) 12/19/2021   19:06:15  (  68.83,-104.35)    2.54                52
 12/22/2021   09:44:34   (  72.10,  31.31) 12/22/2021   09:44:53  (  72.09,  31.37)    2.29                19
 12/22/2021   10:34:24   ( -69.23,-156.64) 12/22/2021   10:33:26  ( -69.23,-156.63)    0.31                58
 12/25/2021   01:11:32   ( -71.55, -19.44) 12/25/2021   01:11:46  ( -71.56, -19.48)    1.40                14
 12/25/2021   02:01:31   (  69.06, 151.82) 12/25/2021   02:00:28  (  69.07, 151.82)    0.15                63
 12/27/2021   16:38:39   (  71.36, -70.87) 12/27/2021   16:38:48  (  71.37, -70.93)    2.40                 9
 12/27/2021   17:28:41   ( -69.10, 100.01) 12/27/2021   17:27:32  ( -69.09, 100.03)    0.77                69
 12/30/2021   07:20:32   (  80.81, -12.22) 12/30/2021   07:21:45  (  81.44, -13.51)   73.97                73
 12/30/2021   08:05:46   ( -71.22,-122.40) 12/30/2021   08:05:49  ( -71.23,-122.46)    2.59                 3