Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 2 26.  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   04:20:31   ( -46.28, 147.83) 02/28/2021   04:20:35  ( -46.34, 147.40)   33.38                 4
 02/28/2021   05:11:16   (  46.04, -44.93) 02/28/2021   05:10:03  (  46.08, -45.04)    9.24                73
 03/02/2021   20:36:44   ( -46.71, -96.07) 03/02/2021   20:36:56  ( -46.80, -96.54)   37.36                12
 03/02/2021   21:27:37   (  46.01,  70.98) 03/02/2021   21:26:33  (  46.01,  70.82)   12.83                64
 03/05/2021   12:28:43   ( -46.07,-172.61) 03/05/2021   12:29:41  ( -46.14,-172.12)   38.46                58
 03/05/2021   13:43:56   (  46.02,-173.08) 03/05/2021   13:43:00  (  46.06,-173.28)   16.26                56
 03/08/2021   04:45:04   ( -46.11, -56.69) 03/08/2021   04:46:10  ( -46.16, -56.25)   34.99                66
 03/08/2021   06:00:16   (  46.04, -57.14) 03/08/2021   05:59:28  (  46.09, -57.39)   19.94                48
 03/10/2021   21:02:14   ( -48.97,  58.05) 03/10/2021   21:03:27  ( -49.03,  58.52)   34.64                73