Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 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)
 07/28/2021   09:08:57   (  59.22,  52.56) 07/28/2021   09:09:27  (  59.22,  52.56)    0.11                30
 07/28/2021   09:57:01   ( -50.20,-135.14) 07/28/2021   09:56:17  ( -50.20,-135.13)    0.56                44
 07/31/2021   01:25:41   (  60.71, 167.44) 07/31/2021   01:26:21  (  60.71, 167.45)    0.66                40
 07/31/2021   02:13:50   ( -52.00, -20.04) 07/31/2021   02:13:16  ( -52.00, -20.04)    0.38                34
 08/02/2021   17:42:23   (  62.03, -77.64) 08/02/2021   17:43:13  (  62.03, -77.62)    0.93                50
 08/02/2021   18:30:36   ( -53.56,  95.12) 08/02/2021   18:30:12  ( -53.57,  95.10)    1.44                24
 08/05/2021   09:59:00   (  63.06,  37.44) 08/05/2021   10:00:00  (  63.06,  37.46)    0.82                60
 08/05/2021   10:47:44   ( -56.37,-150.49) 08/05/2021   10:47:29  ( -56.37,-150.47)    1.41                15
 08/08/2021   02:15:35   (  63.98, 152.57) 08/08/2021   02:16:45  (  63.98, 152.58)    0.28                70