Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 10 22.  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)
 10/22/2021   05:16:46   (  70.48, 100.51) 10/22/2021   05:17:56  (  70.47, 100.53)    0.89                70
 10/22/2021   06:06:26   ( -67.13, -87.58) 10/22/2021   06:06:21  ( -67.13, -87.59)    0.73                 5
 10/24/2021   22:23:03   ( -68.24,  27.00) 10/24/2021   22:23:12  ( -68.24,  27.01)    0.64                 9
 10/24/2021   23:12:25   (  63.64,-160.75) 10/24/2021   23:11:19  (  63.65,-160.78)    1.43                66
 10/27/2021   14:39:39   ( -69.24, 141.60) 10/27/2021   14:40:02  ( -69.24, 141.64)    1.65                23
 10/27/2021   15:29:07   (  65.02, -46.10) 10/27/2021   15:28:15  (  65.02, -46.11)    0.82                52
 10/30/2021   06:56:11   ( -70.02,-103.60) 10/30/2021   06:56:48  ( -70.01,-103.55)    2.28                37
 10/30/2021   07:45:45   (  66.17,  68.67) 10/30/2021   07:45:07  (  66.17,  68.66)    0.46                38
 11/01/2021   23:12:41   ( -70.69,  11.28) 11/01/2021   23:13:32  ( -70.68,  11.34)    2.47                51
 11/02/2021   00:02:20   (  67.14,-176.48) 11/02/2021   00:01:56  (  67.15,-176.49)    0.43                24
 11/04/2021   15:29:08   ( -71.26, 126.27) 11/04/2021   15:30:13  ( -71.25, 126.33)    2.21                65