Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 11 1.  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)
 11/01/2021   23:12:32   ( -70.24,  12.00) 11/01/2021   23:13:23  ( -70.25,  11.99)    0.69                51
 11/02/2021   00:02:28   (  67.59,-177.02) 11/02/2021   00:02:03  (  67.58,-176.97)    1.97                25
 11/04/2021   15:29:06   ( -71.18, 126.41) 11/04/2021   15:30:10  ( -71.17, 126.46)    1.84                64
 11/04/2021   16:18:50   (  67.92, -61.47) 11/04/2021   16:18:39  (  67.92, -61.49)    0.75                11
 11/07/2021   07:47:59   ( -78.44,-140.28) 11/07/2021   07:49:13  ( -78.68,-139.28)   34.90                74
 11/07/2021   08:35:26   (  68.95,  53.13) 11/07/2021   08:35:28  (  68.94,  53.14)    0.51                 2
 11/07/2021   09:25:06   ( -65.53,-135.48) 11/07/2021   09:23:52  ( -65.52,-135.44)    2.20                74
 11/10/2021   00:51:56   (  69.65, 168.08) 11/10/2021   00:52:11  (  69.65, 168.09)    0.57                15
 11/10/2021   01:41:37   ( -66.29, -20.34) 11/10/2021   01:40:36  ( -66.29, -20.32)    1.13                61
 11/12/2021   17:08:21   (  70.09, -76.63) 11/12/2021   17:08:49  (  70.09, -76.64)    0.64                28