Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 6 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)
 06/23/2021   11:53:52   (  53.69,  13.95) 06/23/2021   11:54:37  (  53.69,  13.94)    0.83                45
 06/23/2021   12:42:49   ( -47.71,-175.94) 06/23/2021   12:42:20  ( -47.73,-175.81)    9.91                29
 06/26/2021   04:10:36   (  55.13, 129.12) 06/26/2021   04:11:30  (  55.14, 129.10)    1.50                54
 06/26/2021   04:58:58   ( -47.14, -59.76) 06/26/2021   04:58:39  ( -47.16, -59.71)    4.84                19
 06/28/2021   20:27:42   (  57.87,-116.57) 06/28/2021   20:28:44  (  57.87,-116.54)    2.03                62
 06/28/2021   21:15:20   ( -47.38,  56.08) 06/28/2021   21:15:10  ( -47.38,  56.09)    0.85                10
 07/01/2021   12:44:22   (  59.08,  -1.41) 07/01/2021   12:45:33  (  59.07,  -1.39)    1.38                71
 07/01/2021   13:32:00   ( -48.59, 171.51) 07/01/2021   13:31:59  ( -48.60, 171.49)    1.53                 1
 07/04/2021   05:05:31   (  74.67,  94.08) 07/04/2021   05:06:44  (  74.84,  95.19)   37.94                73
 07/04/2021   05:49:05   ( -51.24, -73.74) 07/04/2021   05:49:12  ( -51.24, -73.74)    0.20                 7