Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 9 27.  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)
 09/28/2021   01:58:28   ( -67.47, -26.16) 09/28/2021   01:59:17  ( -67.48, -26.20)    1.84                49
 09/28/2021   02:47:55   (  63.11, 145.59) 09/28/2021   02:47:28  (  63.12, 145.56)    1.24                27
 09/30/2021   18:15:04   ( -68.45,  88.55) 09/30/2021   18:16:04  ( -68.45,  88.55)    0.30                60
 09/30/2021   19:04:35   (  64.35, -99.58) 09/30/2021   19:04:19  (  64.35, -99.59)    0.67                16
 10/03/2021   10:31:36   ( -69.21,-156.54) 10/03/2021   10:32:47  ( -69.21,-156.53)    0.35                71
 10/03/2021   11:21:10   (  65.30,  15.44) 10/03/2021   11:21:05  (  65.30,  15.43)    0.76                 5
 10/06/2021   02:53:45   ( -81.08,-119.37) 10/06/2021   02:54:58  ( -81.70,-120.00)   69.44                73
 10/06/2021   03:37:39   (  65.97, 130.69) 10/06/2021   03:37:45  (  65.98, 130.65)    1.57                 6
 10/06/2021   04:26:50   ( -60.92, -57.48) 10/06/2021   04:25:42  ( -60.92, -57.50)    1.57                68
 10/08/2021   19:54:24   (  67.46,-115.05) 10/08/2021   19:54:40  (  67.46,-115.01)    1.86                16