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   ( -46.70, -96.07) 03/02/2021   20:36:56  ( -46.79, -96.54)   37.36                12
 03/02/2021   21:27:37   (  46.00,  70.98) 03/02/2021   21:26:33  (  46.00,  70.81)   13.03                64
 03/05/2021   12:28:44   ( -46.07,-172.61) 03/05/2021   12:29:42  ( -46.16,-172.13)   38.43                58
 03/05/2021   13:43:57   (  46.02,-173.08) 03/05/2021   13:43:01  (  46.04,-173.29)   16.35                56
 03/08/2021   04:45:04   ( -46.11, -56.69) 03/08/2021   04:46:10  ( -46.18, -56.25)   34.94                66
 03/08/2021   06:00:16   (  46.04, -57.14) 03/08/2021   05:59:28  (  46.08, -57.39)   19.87                48
 03/10/2021   21:01:54   ( -47.81,  58.55) 03/10/2021   21:03:07  ( -47.88,  58.98)   33.43                73
 03/10/2021   22:16:37   (  46.00,  58.78) 03/10/2021   22:15:57  (  46.04,  58.48)   23.35                40
 03/13/2021   13:23:13   ( -64.67, 164.05) 03/13/2021   13:24:26  ( -64.81, 165.01)   48.21                73
 03/13/2021   14:32:57   (  46.02, 174.71) 03/13/2021   14:32:25  (  46.06, 174.37)   26.90                32