Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 2 28.  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)
 02/28/2021   05:11:17   (  46.01, -44.95) 02/28/2021   05:10:04  (  46.05, -45.05)    9.11                73
 03/02/2021   20:36:43   ( -46.74, -96.06) 03/02/2021   20:36:55  ( -46.82, -96.53)   37.36                12
 03/02/2021   21:27:36   (  46.04,  70.99) 03/02/2021   21:26:32  (  46.04,  70.83)   13.07                64
 03/05/2021   12:28:44   ( -46.09,-172.62) 03/05/2021   12:29:42  ( -46.18,-172.14)   38.49                58
 03/05/2021   13:43:57   (  46.00,-173.09) 03/05/2021   13:43:01  (  46.02,-173.30)   16.33                56
 03/08/2021   04:45:04   ( -46.07, -56.68) 03/08/2021   04:46:10  ( -46.15, -56.24)   34.94                66
 03/08/2021   06:00:17   (  46.02, -57.15) 03/08/2021   05:59:29  (  46.05, -57.40)   19.83                48
 03/10/2021   21:01:51   ( -47.60,  58.63) 03/10/2021   21:03:04  ( -47.66,  59.07)   33.25                73
 03/10/2021   22:16:37   (  46.04,  58.79) 03/10/2021   22:15:57  (  46.08,  58.49)   23.38                40
 03/13/2021   13:23:08   ( -64.41, 164.30) 03/13/2021   13:24:21  ( -64.55, 165.25)   48.01                73
 03/13/2021   14:32:57   (  46.00, 174.71) 03/13/2021   14:32:25  (  46.04, 174.36)   26.90                32