Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 10 23.  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)
 10/24/2021   22:23:03   ( -68.20,  27.06) 10/24/2021   22:23:12  ( -68.20,  27.07)    0.31                 9
 10/24/2021   23:12:25   (  63.60,-160.71) 10/24/2021   23:11:19  (  63.60,-160.74)    1.70                66
 10/27/2021   14:39:37   ( -69.14, 141.74) 10/27/2021   14:40:00  ( -69.14, 141.77)    1.04                23
 10/27/2021   15:29:04   (  64.86, -45.94) 10/27/2021   15:28:12  (  64.86, -45.97)    1.36                52
 10/30/2021   06:56:08   ( -69.87,-103.36) 10/30/2021   06:56:45  ( -69.86,-103.33)    1.30                37
 10/30/2021   07:45:41   (  65.95,  68.90) 10/30/2021   07:45:03  (  65.95,  68.87)    1.35                38
 11/01/2021   23:12:37   ( -70.48,  11.63) 11/01/2021   23:13:28  ( -70.48,  11.65)    1.06                51
 11/02/2021   00:02:15   (  66.87,-176.16) 11/02/2021   00:01:51  (  66.87,-176.20)    1.72                24
 11/04/2021   15:29:04   ( -70.99, 126.73) 11/04/2021   15:30:09  ( -70.99, 126.74)    0.29                65