Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 3 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)
 03/02/2021   20:36:44   ( -46.69, -96.07) 03/02/2021   20:36:56  ( -46.77, -96.55)   37.34                12
 03/02/2021   21:27:36   (  46.05,  71.00) 03/02/2021   21:26:32  (  46.05,  70.83)   13.13                64
 03/05/2021   12:28:44   ( -46.08,-172.61) 03/05/2021   12:29:42  ( -46.17,-172.13)   38.48                58
 03/05/2021   13:43:57   (  46.01,-173.08) 03/05/2021   13:43:01  (  46.03,-173.29)   16.39                56
 03/08/2021   04:45:05   ( -46.11, -56.70) 03/08/2021   04:46:11  ( -46.19, -56.26)   34.99                66
 03/08/2021   06:00:17   (  46.04, -57.14) 03/08/2021   05:59:29  (  46.06, -57.40)   19.90                48
 03/10/2021   21:01:48   ( -47.46,  58.69) 03/10/2021   21:03:01  ( -47.53,  59.12)   33.09                73
 03/10/2021   22:16:37   (  46.00,  58.78) 03/10/2021   22:15:57  (  46.03,  58.48)   23.39                40
 03/13/2021   13:23:05   ( -64.23, 164.47) 03/13/2021   13:24:18  ( -64.36, 165.41)   47.85                73
 03/13/2021   14:32:57   (  46.02, 174.72) 03/13/2021   14:32:24  (  46.11, 174.39)   26.98                33